ALIASES:

Trojan.Gen.2 (Symantec); Trojan.Win32.Generic!BT (Sunbelt)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 3,964,968 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 02 May 2017

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan creates the following folders:

  • %User Temp%\is-O94SI.tmp
  • %User Temp%\is-UE4HO.tmp
  • %User Temp%\is-UE4HO.tmp\_isetup
  • %Program Files%\PC Clean Plus
  • %Start Menu%\Programs\PC Clean Plus
  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\PC Clean Plus
  • %User Temp%\is-C5A36.tmp
  • %User Temp%\is-4BQ9U.tmp
  • %User Temp%\is-4BQ9U.tmp\_isetup
  • %User Profile%\Application Data\Event Monitor

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
PCCPReminder = "%Program Files%\PC Clean Plus\PCCleanPlus.exe -rem"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
EMReminder = "%User Profile%\Event Monitor\em.exe -rem"

Other System Modifications

This Trojan deletes the following files:

  • %Start Menu%\Programs\PC Clean Plus\PC Clean Plus.pif
  • %Start Menu%\Programs\PC Clean Plus\PC Clean Plus.url
  • %Start Menu%\Programs\PC Clean Plus\Register PC Clean Plus.pif
  • %Start Menu%\Programs\PC Clean Plus\Register PC Clean Plus.url
  • %Start Menu%\Programs\PC Clean Plus\Uninstall PC Clean Plus.pif
  • %Start Menu%\Programs\PC Clean Plus\Uninstall PC Clean Plus.url
  • %Desktop%\PC Clean Plus.pif
  • %Desktop%\PC Clean Plus.url
  • %Windows%\Tasks\PC Clean Plus.job
  • %Windows%\Tasks\PC Clean Plus_Updates.job

(Note: %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\PC Clean Plus

HKEY_CURRENT_USER\Software\PC Clean Plus

HKEY_LOCAL_MACHINE\Software\Jawego\
Params

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1

HKEY_CURRENT_USER\Software\PC Clean Plus\
LANG

HKEY_LOCAL_MACHINE\Software\PC Clean Plus\
LANG

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
LiveScript\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.1\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.2\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.3\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ECMAScript\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript Author\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
LiveScript Author\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript Author\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.1 Author\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.2 Author\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript.Encode\OLEScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\OLEScript

HKEY_CURRENT_USER\Software\PC\
Clean\Plus\key\
6

HKEY_LOCAL_MACHINE\Software\PC\
Clean\Plus\key\
6

HKEY_LOCAL_MACHINE\Software\Event Monitor

HKEY_CURRENT_USER\Software\Event Monitor\
LANG

HKEY_LOCAL_MACHINE\Software\Event Monitor\
LANG

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
TELNO = "(844) 944-0918"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
TELNOFR = "01.76.54.27.59"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
TELNODE = "(800) 180-6512"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
ShowExitPage = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
SetEnableSound = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
ShowBeforeQuitNag = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
utm_source = "1016_"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
utm_campaign = "1016"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
utm_medium = "newbuild"

HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\
Params
utm_source = "1016_"

HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\
Params
utm_campaign = "1016"

HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\
Params
utm_medium = "newbuild"

HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\
Params
PCCP = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
PCPURL = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
RENEWALURL = "{random characters}"

HKEY_CURRENT_USER\Software\PC Clean Plus
StartAutoScanPMUI = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
StartAutoScanOnLaunch = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
StartAutoTutorial = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
TrialType = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
MaxFixLimit = "f"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
Inno Setup: Setup Version = "5.5.6 (u)"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
Inno Setup: App Path = "%Program Files%\PC Clean Plus"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
InstallLocation = "%Program Files%\PC Clean Plus"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
Inno Setup: Icon Group = "PC Clean Plus"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
Inno Setup: User = "Wilbert"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
Inno Setup: Language = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
DisplayName = "PC Clean Plus"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
DisplayIcon = "%Program Files%\PC Clean Plus\PCCleanPlus.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
UninstallString = "%Program Files%\PC Clean Plus\unins000.exe "

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
QuietUninstallString = "%Program Files%\PC Clean Plus\unins000.exe /SILENT"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
DisplayVersion = "3.6"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
Publisher = "Jawego Partners LLC"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
URLInfoAbout = "http://www.{BLOCKED}nplus.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
HelpLink = "http://www.{BLOCKED}nplus.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
InstallDate = "20170412"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
MajorVersion = "3"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
MinorVersion = "6"

HKEY_CURRENT_USER\Software\PC Clean Plus\
LANG
LangCode = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus\
LANG
LangID = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus\
LANG
LangID = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
UninstallString = "%Program Files%\PC Clean Plus\unins000.exe /silent"

HKEY_CLASSES_ROOT
JScript = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript
CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
LiveScript = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
LiveScript
CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
JavaScript = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript
CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
JavaScript1.1 = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.1
CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
JavaScript1.2 = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.2
CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
JavaScript1.3 = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.3
CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
ECMAScript = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ECMAScript
CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID
{f414c260-6ac0-11cf-b6d1-00aa00bbbb58} = "JScript Language"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
ProgID = "JScript"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
InprocServer32 = "%System%\jscript.dll"

HKEY_CLASSES_ROOT
JScript Author = "JScript Language Authoring"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript Author
CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
LiveScript Author = "JScript Language Authoring"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
LiveScript Author
CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
JavaScript Author = "JScript Language Authoring"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript Author
CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
JavaScript1.1 Author = "JScript Language Authoring"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.1 Author
CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_CLASSES_ROOT
JavaScript1.2 Author = "JScript Language Authoring"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.2 Author
CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID
{f414c261-6ac0-11cf-b6d1-00aa00bbbb58} = "JScript Language Authoring"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
ProgID = "JScript Author"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
InprocServer32 = "%System%\jscript.dll"

HKEY_CLASSES_ROOT
JScript.Encode = "JScript Language Encoding"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript.Encode
CLSID = "{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID
{f414c262-6ac0-11cf-b6d1-00aa00bbbb58} = "JScript Language Encoding"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
ProgID = "JScript.Encode"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
InprocServer32 = "%System%\jscript.dll"

HKEY_CURRENT_USER\Software\PC Clean Plus
1stInstalled_Time = "4/12/2017 6:12:50 AM"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
Expired = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
FirstTimeASPFired = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
SetChkDontShowRedTrayPopup = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
SetChkREmovableMedia = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
SetChkSkipEmptyKeys = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
ImprovementProgram = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
StartWhenWinBoots = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
GoToSystemTrayOnClose = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
ConfirmBkUps = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
StartScan = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
StartMinimized = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
AutoRepair = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
StrLastScanResults = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
ErrorCount = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
RegErrFoundTillDate = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
RegErrsFixedTillDate = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
RegErrsFixedLast = "0"

HKEY_CURRENT_USER\Software\PC Clean Plus
NumTimesPCPRunned = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
FirstRun = "1"

HKEY_CURRENT_USER\Software\PC Clean Plus
StartAutoScanPMUI = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
TELNO = "(844) 763-5838"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
TELNOFR = "01.76.54.05.61"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
TELNODE = "(800) 180-6512"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
TELNOJP = "03-5050-1410"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
TELNOAU = "1800 154 231"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
TELNOUK = "0800 031 4657"

HKEY_CURRENT_USER\Software\Event Monitor\
LANG
LangCode = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor\
LANG
LangCode = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor\
LANG
LangID = "0"

HKEY_CURRENT_USER\Software\Event Monitor\
LANG
LangID = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
bShowCongratsAfterUpdateRestart = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
Expired = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
first = "1"

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
ThreadingModel = "Both"

(Note: The default value data of the said registry entry is Both.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
ThreadingModel = "Both"

(Note: The default value data of the said registry entry is Both.)

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
ThreadingModel = "Both"

(Note: The default value data of the said registry entry is Both.)

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript\CLSID

HKEY_CLASSES_ROOT\JScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
LiveScript\CLSID

HKEY_CLASSES_ROOT\LiveScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript\CLSID

HKEY_CLASSES_ROOT\JavaScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.1\CLSID

HKEY_CLASSES_ROOT\JavaScript1.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.2\CLSID

HKEY_CLASSES_ROOT\JavaScript1.2

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.3\CLSID

HKEY_CLASSES_ROOT\JavaScript1.3

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ECMAScript\CLSID

HKEY_CLASSES_ROOT\ECMAScript

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\Implemented Categories

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript Author\CLSID

HKEY_CLASSES_ROOT\JScript Author

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
LiveScript Author\CLSID

HKEY_CLASSES_ROOT\LiveScript Author

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript Author\CLSID

HKEY_CLASSES_ROOT\JavaScript Author

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.1 Author\CLSID

HKEY_CLASSES_ROOT\JavaScript1.1 Author

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JavaScript1.2 Author\CLSID

HKEY_CLASSES_ROOT\JavaScript1.2 Author

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}\Implemented Categories

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
JScript.Encode\CLSID

HKEY_CLASSES_ROOT\JScript.Encode

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\Implemented Categories

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\is-o94si.tmp\{malware file name}.tmp
  • %User Temp%\is-UE4HO.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-UE4HO.tmp\_isetup\_iscrypt.dll
  • %Program Files%\PC Clean Plus\unins000.dat
  • %Program Files%\PC Clean Plus\is-QA2CN.tmp
  • %Program Files%\PC Clean Plus\is-ENABN.tmp
  • %Program Files%\PC Clean Plus\is-H1O02.tmp
  • %Program Files%\PC Clean Plus\is-T013V.tmp
  • %Program Files%\PC Clean Plus\is-1GFER.tmp
  • %Program Files%\PC Clean Plus\is-FV2PC.tmp
  • %Program Files%\PC Clean Plus\is-JI5J8.tmp
  • %Program Files%\PC Clean Plus\is-9H6EV.tmp
  • %Program Files%\PC Clean Plus\is-SCGSP.tmp
  • %Program Files%\PC Clean Plus\is-H1BI5.tmp
  • %Program Files%\PC Clean Plus\is-2UPE5.tmp
  • %Program Files%\PC Clean Plus\is-VLHGF.tmp
  • %Program Files%\PC Clean Plus\is-BNFBA.tmp
  • %Program Files%\PC Clean Plus\is-V97TQ.tmp
  • %Program Files%\PC Clean Plus\is-8URNG.tmp
  • %Program Files%\PC Clean Plus\is-B03A8.tmp
  • %Program Files%\PC Clean Plus\is-8A836.tmp
  • %Program Files%\PC Clean Plus\is-8K284.tmp
  • %Program Files%\PC Clean Plus\is-T8OA2.tmp
  • %Program Files%\PC Clean Plus\is-KJF21.tmp
  • %Program Files%\PC Clean Plus\is-KFJ14.tmp
  • %Program Files%\PC Clean Plus\is-PCA0R.tmp
  • %Program Files%\PC Clean Plus\is-OOKKJ.tmp
  • %Program Files%\PC Clean Plus\is-P381J.tmp
  • %Program Files%\PC Clean Plus\is-OB8LT.tmp
  • %Program Files%\PC Clean Plus\is-FDHRL.tmp
  • %Program Files%\PC Clean Plus\is-J45PP.tmp
  • %Program Files%\PC Clean Plus\is-IMFML.tmp
  • %Start Menu%\Programs\PC Clean Plus\PC Clean Plus.lnk
  • %Start Menu%\Programs\PC Clean Plus\Register PC Clean Plus.lnk
  • %Start Menu%\Programs\PC Clean Plus\Uninstall PC Clean Plus.lnk
  • %Desktop%\PC Clean Plus.lnk
  • %Program Files%\PC Clean Plus\unins000.msg
  • %User Profile%\PC Clean Plus\backup6.bin
  • %User Profile%\PC Clean Plus\irnsc.txt
  • %User Profile%\PC Clean Plus\eng_pcp.dat
  • %Windows%\Tasks\PC Clean Plus_UPDATES.job
  • %Windows%\Tasks\PC Clean Plus_DEFAULT.job
  • %User Temp%\is-C5A36.tmp\emsetup.tmp
  • %User Temp%\is-4BQ9U.tmp\_isetup\_shfoldr.dll
  • %User Profile%\Event Monitor\is-303S6.tmp
  • %User Profile%\Event Monitor\is-4K99I.tmp
  • %User Profile%\Event Monitor\is-2SO7P.tmp
  • %User Profile%\Event Monitor\is-BSE74.tmp
  • %User Profile%\Event Monitor\is-8LSD3.tmp
  • %User Profile%\Event Monitor\is-5DCP7.tmp
  • %User Profile%\Event Monitor\ininotfound0.ini

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://im.{BLOCKED}ak.com/installtracker.aspx?trackpx=TP-23-97-IRO-PCP
  • {BLOCKED}0.1
  • {BLOCKED}4.252.122
  • {BLOCKED}.36.107
  • {BLOCKED}7.6.42
  • {BLOCKED}2.125.113
  • {BLOCKED}.138.90
  • {BLOCKED}7.6.78
  • {BLOCKED}.141.27

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.8

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\Software
    • PC Clean Plus
  • In HKEY_CURRENT_USER\Software
    • PC Clean Plus
  • In HKEY_LOCAL_MACHINE\Software\Jawego
    • Params
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • PC Clean Plus_is1
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • LANG
  • In HKEY_LOCAL_MACHINE\Software\PC Clean Plus
    • LANG
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LiveScript
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.1
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.2
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.3
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ECMAScript
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript Author
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LiveScript Author
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript Author
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.1 Author
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.2 Author
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript.Encode
    • OLEScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
    • OLEScript
  • In HKEY_CURRENT_USER\Software\PC\Clean\Plus\key
    • 6
  • In HKEY_LOCAL_MACHINE\Software\PC\Clean\Plus\key
    • 6
  • In HKEY_LOCAL_MACHINE\Software
    • Event Monitor
  • In HKEY_CURRENT_USER\Software\Event Monitor
    • LANG
  • In HKEY_LOCAL_MACHINE\Software\Event Monitor
    • LANG

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • PCCPReminder = "%Program Files%\PC Clean Plus\PCCleanPlus.exe -rem"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • EMReminder = "%User Profile%\Event Monitor\em.exe -rem"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • TELNO = "(844) 944-0918"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • TELNOFR = "01.76.54.27.59"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • TELNODE = "(800) 180-6512"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • ShowExitPage = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • SetEnableSound = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • ShowBeforeQuitNag = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • utm_source = "1016_"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • utm_campaign = "1016"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • utm_medium = "newbuild"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\Params
    • utm_source = "1016_"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\Params
    • utm_campaign = "1016"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\Params
    • utm_medium = "newbuild"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\Params
    • PCCP = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • PCPURL = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • RENEWALURL = "{random characters}"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StartAutoScanPMUI = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StartAutoScanOnLaunch = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StartAutoTutorial = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • TrialType = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • MaxFixLimit = "f"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • Inno Setup: Setup Version = "5.5.6 (u)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • Inno Setup: App Path = "%Program Files%\PC Clean Plus"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • InstallLocation = "%Program Files%\PC Clean Plus"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • Inno Setup: Icon Group = "PC Clean Plus"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • Inno Setup: User = "Wilbert"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • Inno Setup: Language = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • DisplayName = "PC Clean Plus"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • DisplayIcon = "%Program Files%\PC Clean Plus\PCCleanPlus.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • UninstallString = "%Program Files%\PC Clean Plus\unins000.exe "
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • QuietUninstallString = "%Program Files%\PC Clean Plus\unins000.exe /SILENT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • DisplayVersion = "3.6"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • Publisher = "Jawego Partners LLC"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • URLInfoAbout = "http://www.{BLOCKED}nplus.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • HelpLink = "http://www.{BLOCKED}nplus.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • InstallDate = "20170412"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • MajorVersion = "3"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • MinorVersion = "6"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus\LANG
    • LangCode = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus\LANG
    • LangID = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus\LANG
    • LangID = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Clean Plus_is1
    • UninstallString = "%Program Files%\PC Clean Plus\unins000.exe /silent"
  • In HKEY_CLASSES_ROOT
    • JScript = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript
    • CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • LiveScript = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LiveScript
    • CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • JavaScript = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript
    • CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • JavaScript1.1 = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.1
    • CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • JavaScript1.2 = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.2
    • CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • JavaScript1.3 = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.3
    • CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • ECMAScript = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ECMAScript
    • CLSID = "{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {f414c260-6ac0-11cf-b6d1-00aa00bbbb58} = "JScript Language"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
    • ProgID = "JScript"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
    • InprocServer32 = "%System%\jscript.dll"
  • In HKEY_CLASSES_ROOT
    • JScript Author = "JScript Language Authoring"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript Author
    • CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • LiveScript Author = "JScript Language Authoring"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LiveScript Author
    • CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • JavaScript Author = "JScript Language Authoring"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript Author
    • CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • JavaScript1.1 Author = "JScript Language Authoring"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.1 Author
    • CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_CLASSES_ROOT
    • JavaScript1.2 Author = "JScript Language Authoring"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.2 Author
    • CLSID = "{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {f414c261-6ac0-11cf-b6d1-00aa00bbbb58} = "JScript Language Authoring"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
    • ProgID = "JScript Author"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
    • InprocServer32 = "%System%\jscript.dll"
  • In HKEY_CLASSES_ROOT
    • JScript.Encode = "JScript Language Encoding"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript.Encode
    • CLSID = "{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {f414c262-6ac0-11cf-b6d1-00aa00bbbb58} = "JScript Language Encoding"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
    • ProgID = "JScript.Encode"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
    • InprocServer32 = "%System%\jscript.dll"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • 1stInstalled_Time = "4/12/2017 6:12:50 AM"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • Expired = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
    • FirstTimeASPFired = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • SetChkDontShowRedTrayPopup = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • SetChkREmovableMedia = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • SetChkSkipEmptyKeys = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • ImprovementProgram = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StartWhenWinBoots = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • GoToSystemTrayOnClose = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • ConfirmBkUps = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StartScan = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StartMinimized = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • AutoRepair = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StrLastScanResults = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • ErrorCount = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • RegErrFoundTillDate = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • RegErrsFixedTillDate = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • RegErrsFixedLast = "0"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • NumTimesPCPRunned = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • FirstRun = "1"
  • In HKEY_CURRENT_USER\Software\PC Clean Plus
    • StartAutoScanPMUI = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • TELNO = "(844) 763-5838"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • TELNOFR = "01.76.54.05.61"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • TELNODE = "(800) 180-6512"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • TELNOJP = "03-5050-1410"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • TELNOAU = "1800 154 231"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • TELNOUK = "0800 031 4657"
  • In HKEY_CURRENT_USER\Software\Event Monitor\LANG
    • LangCode = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor\LANG
    • LangCode = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor\LANG
    • LangID = "0"
  • In HKEY_CURRENT_USER\Software\Event Monitor\LANG
    • LangID = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • bShowCongratsAfterUpdateRestart = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • Expired = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
    • first = "1"

Step 5

Restore these modified registry values

[ Learn More ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
    • From: ThreadingModel = "Both"
      To: ThreadingModel = ""Both""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
    • From: ThreadingModel = "Both"
      To: ThreadingModel = ""Both""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32
    • From: ThreadingModel = "Both"
      To: ThreadingModel = ""Both""

Step 6

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%\is-o94si.tmp\{malware file name}.tmp
  • %User Temp%\is-UE4HO.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-UE4HO.tmp\_isetup\_iscrypt.dll
  • %Program Files%\PC Clean Plus\unins000.dat
  • %Program Files%\PC Clean Plus\is-QA2CN.tmp
  • %Program Files%\PC Clean Plus\is-ENABN.tmp
  • %Program Files%\PC Clean Plus\is-H1O02.tmp
  • %Program Files%\PC Clean Plus\is-T013V.tmp
  • %Program Files%\PC Clean Plus\is-1GFER.tmp
  • %Program Files%\PC Clean Plus\is-FV2PC.tmp
  • %Program Files%\PC Clean Plus\is-JI5J8.tmp
  • %Program Files%\PC Clean Plus\is-9H6EV.tmp
  • %Program Files%\PC Clean Plus\is-SCGSP.tmp
  • %Program Files%\PC Clean Plus\is-H1BI5.tmp
  • %Program Files%\PC Clean Plus\is-2UPE5.tmp
  • %Program Files%\PC Clean Plus\is-VLHGF.tmp
  • %Program Files%\PC Clean Plus\is-BNFBA.tmp
  • %Program Files%\PC Clean Plus\is-V97TQ.tmp
  • %Program Files%\PC Clean Plus\is-8URNG.tmp
  • %Program Files%\PC Clean Plus\is-B03A8.tmp
  • %Program Files%\PC Clean Plus\is-8A836.tmp
  • %Program Files%\PC Clean Plus\is-8K284.tmp
  • %Program Files%\PC Clean Plus\is-T8OA2.tmp
  • %Program Files%\PC Clean Plus\is-KJF21.tmp
  • %Program Files%\PC Clean Plus\is-KFJ14.tmp
  • %Program Files%\PC Clean Plus\is-PCA0R.tmp
  • %Program Files%\PC Clean Plus\is-OOKKJ.tmp
  • %Program Files%\PC Clean Plus\is-P381J.tmp
  • %Program Files%\PC Clean Plus\is-OB8LT.tmp
  • %Program Files%\PC Clean Plus\is-FDHRL.tmp
  • %Program Files%\PC Clean Plus\is-J45PP.tmp
  • %Program Files%\PC Clean Plus\is-IMFML.tmp
  • %Start Menu%\Programs\PC Clean Plus\PC Clean Plus.lnk
  • %Start Menu%\Programs\PC Clean Plus\Register PC Clean Plus.lnk
  • %Start Menu%\Programs\PC Clean Plus\Uninstall PC Clean Plus.lnk
  • %Desktop%\PC Clean Plus.lnk
  • %Program Files%\PC Clean Plus\unins000.msg
  • %User Profile%\PC Clean Plus\backup6.bin
  • %User Profile%\PC Clean Plus\irnsc.txt
  • %User Profile%\PC Clean Plus\eng_pcp.dat
  • %Windows%\Tasks\PC Clean Plus_UPDATES.job
  • %Windows%\Tasks\PC Clean Plus_DEFAULT.job
  • %User Temp%\is-C5A36.tmp\emsetup.tmp
  • %User Temp%\is-4BQ9U.tmp\_isetup\_shfoldr.dll
  • %User Profile%\Event Monitor\is-303S6.tmp
  • %User Profile%\Event Monitor\is-4K99I.tmp
  • %User Profile%\Event Monitor\is-2SO7P.tmp
  • %User Profile%\Event Monitor\is-BSE74.tmp
  • %User Profile%\Event Monitor\is-8LSD3.tmp
  • %User Profile%\Event Monitor\is-5DCP7.tmp
  • %User Profile%\Event Monitor\ininotfound0.ini

Step 7

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %User Temp%\is-O94SI.tmp
  • %User Temp%\is-UE4HO.tmp
  • %User Temp%\is-UE4HO.tmp\_isetup
  • %Program Files%\PC Clean Plus
  • %Start Menu%\Programs\PC Clean Plus
  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\PC Clean Plus
  • %User Temp%\is-C5A36.tmp
  • %User Temp%\is-4BQ9U.tmp
  • %User Temp%\is-4BQ9U.tmp\_isetup
  • %User Profile%\Application Data\Event Monitor

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as PUA_Jawego. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 9

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %Start Menu%\Programs\PC Clean Plus\PC Clean Plus.pif
  • %Start Menu%\Programs\PC Clean Plus\PC Clean Plus.url
  • %Start Menu%\Programs\PC Clean Plus\Register PC Clean Plus.pif
  • %Start Menu%\Programs\PC Clean Plus\Register PC Clean Plus.url
  • %Start Menu%\Programs\PC Clean Plus\Uninstall PC Clean Plus.pif
  • %Start Menu%\Programs\PC Clean Plus\Uninstall PC Clean Plus.url
  • %Desktop%\PC Clean Plus.pif
  • %Desktop%\PC Clean Plus.url
  • %Windows%\Tasks\PC Clean Plus.job
  • %Windows%\Tasks\PC Clean Plus_Updates.job

Step 10

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • PC Clean Plus_is1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LiveScript
    • CLSID
  • In HKEY_CLASSES_ROOT
    • LiveScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JavaScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JavaScript1.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.2
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JavaScript1.2
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.3
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JavaScript1.3
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ECMAScript
    • CLSID
  • In HKEY_CLASSES_ROOT
    • ECMAScript
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
    • Implemented Categories
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {f414c260-6ac0-11cf-b6d1-00aa00bbbb58}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript Author
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JScript Author
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LiveScript Author
    • CLSID
  • In HKEY_CLASSES_ROOT
    • LiveScript Author
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript Author
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JavaScript Author
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.1 Author
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JavaScript1.1 Author
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaScript1.2 Author
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JavaScript1.2 Author
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
    • Implemented Categories
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {f414c261-6ac0-11cf-b6d1-00aa00bbbb58}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JScript.Encode
    • CLSID
  • In HKEY_CLASSES_ROOT
    • JScript.Encode
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
    • Implemented Categories
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {f414c262-6ac0-11cf-b6d1-00aa00bbbb58}


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