ADW_K9-PCFixer


 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This adware 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:

3,551,296 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

02 Jun 2015

Arrival Details

This adware 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 adware creates the following folders:

  • %User Temp%\is-C81LH.tmp
  • %User Temp%\is-GRD6U.tmp
  • %User Temp%\is-GRD6U.tmp\_isetup
  • %User Profile%\Application Data\K9-PCFixer
  • %Program Files%\K9-PCFixer
  • %Start Menu%\Programs\K9-PCFixer
  • %User Temp%\is-J6FLA.tmp
  • %User Temp%\is-EKRBK.tmp
  • %User Temp%\is-EKRBK.tmp\_isetup

(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.. %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.. %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.)

Autostart Technique

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
K9PCFReminder = "%Program Files%\K9-PCFixer\K9-PCFixer.exe -rem"

Other System Modifications

This adware deletes the following files:

  • %Start Menu%\Programs\K9-PCFixer\K9-PCFixer.pif
  • %Start Menu%\Programs\K9-PCFixer\K9-PCFixer.url
  • %Start Menu%\Programs\K9-PCFixer\Register K9-PCFixer.pif
  • %Start Menu%\Programs\K9-PCFixer\Register K9-PCFixer.url
  • %Start Menu%\Programs\K9-PCFixer\Uninstall K9-PCFixer.pif
  • %Start Menu%\Programs\K9-PCFixer\Uninstall K9-PCFixer.url
  • %Desktop%\K9-PCFixer.pif
  • %Desktop%\K9-PCFixer.url
  • %Windows%\Tasks\K9-PCFixer.job
  • %Windows%\Tasks\K9-PCFixer_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\K9-PCFixer

HKEY_LOCAL_MACHINE\Software\K9Tools\
Params

HKEY_CURRENT_USER\Software\K9-PCFixer

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1

HKEY_CURRENT_USER\Software\K9-PCFixer\
LANG

HKEY_LOCAL_MACHINE\Software\K9-PCFixer\
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\K9\
PC\Fixer\Key\
6

HKEY_LOCAL_MACHINE\Software\K9\
PC\Fixer\Key\
6

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
TELNO = "(855) 716-7017"

HKEY_LOCAL_MACHINE\SOFTWARE\K9Tools\
Params
delayASP = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
RCPURL = "http://www.{BLOCKED}xer.com/pcfixer/price.asp?"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
RENEWALURL = "http://www.{BLOCKED}xer.com/pcfixer/renewal.asp?"

HKEY_CURRENT_USER\Software\K9-PCFixer
StartAutoScanPMUI = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
StartAutoScanOnLaunch = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
StartAutoTutorial = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
MaxFixLimit = "f"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
Inno Setup: Setup Version = "5.5.5 (u)"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
Inno Setup: App Path = "%Program Files%\K9-PCFixer"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
InstallLocation = "%Program Files%\K9-PCFixer"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
Inno Setup: Icon Group = "K9-PCFixer"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
Inno Setup: User = "Wilbert"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
Inno Setup: Language = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
DisplayName = "K9 PCFixer"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
DisplayIcon = "%Program Files%\K9-PCFixer\K9-PCFixer.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
UninstallString = "%Program Files%\K9-PCFixer\unins000.exe "

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
QuietUninstallString = "%Program Files%\K9-PCFixer\unins000.exe /SILENT"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
DisplayVersion = "1.8"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
Publisher = "K9 Tools"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
URLInfoAbout = "http://www.{BLOCKED}xer.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
HelpLink = "http://www.{BLOCKED}xer.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
InstallDate = "20150510"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
MajorVersion = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
MinorVersion = "8"

HKEY_CURRENT_USER\Software\K9-PCFixer\
LANG
LangCode = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer\
LANG
LangID = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer\
LANG
LangID = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
K9 PCFixer_is1
UninstallString = "%Program Files%\K9-PCFixer\unins000.exe /silent"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
LaunchASP = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
InstallASP = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
aspurl = "http://d2uu7l47sbf1ja.{BLOCKED}ront.net/k9pcp/k9pcp_default.exe"

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_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
Expired = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
AppVersion = "1.8.243.209"

HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
FirstTimeASPFired = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
SetChkDontShowRedTrayPopup = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
SetChkREmovableMedia = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
SetChkSkipEmptyKeys = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
ImprovementProgram = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
StartWhenWinBoots = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
GoToSystemTrayOnClose = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
SetEnableSound = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
ConfirmBkUps = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
StartScan = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
StartMinimized = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
AutoRepair = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
StrLastScanResults = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
ErrorCount = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
RegErrFoundTillDate = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
RegErrsFixedTillDate = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
RegErrsFixedLast = "0"

HKEY_CURRENT_USER\Software\K9-PCFixer
NumTimesRCPRunned = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
FirstRun = "1"

HKEY_CURRENT_USER\Software\K9-PCFixer
StartAutoScanPMUI = "0"

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\
K9 PCFixer_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 adware drops the following files:

  • %User Temp%\is-c81lh.tmp\{malware file name}.tmp
  • %User Temp%\is-GRD6U.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-GRD6U.tmp\_isetup\_iscrypt.dll
  • %User Profile%\K9-PCFixer\ipini.ini
  • %User Temp%\is-GRD6U.tmp\setup_en.bmp
  • %Program Files%\K9-PCFixer\unins000.dat
  • %Program Files%\K9-PCFixer\is-K9B1T.tmp
  • %Program Files%\K9-PCFixer\is-2NGE0.tmp
  • %Program Files%\K9-PCFixer\is-6M44L.tmp
  • %Program Files%\K9-PCFixer\is-S8AP5.tmp
  • %Program Files%\K9-PCFixer\is-CC8FU.tmp
  • %Program Files%\K9-PCFixer\is-34JJ5.tmp
  • %Program Files%\K9-PCFixer\is-FF3PD.tmp
  • %Program Files%\K9-PCFixer\is-4LO7U.tmp
  • %Program Files%\K9-PCFixer\is-B8NSS.tmp
  • %Program Files%\K9-PCFixer\is-4KT2O.tmp
  • %Program Files%\K9-PCFixer\is-LP1IE.tmp
  • %Program Files%\K9-PCFixer\is-7CKS2.tmp
  • %Program Files%\K9-PCFixer\is-NCDKE.tmp
  • %Program Files%\K9-PCFixer\is-3GANI.tmp
  • %Program Files%\K9-PCFixer\is-BEALF.tmp
  • %Program Files%\K9-PCFixer\is-CEQI8.tmp
  • %Program Files%\K9-PCFixer\is-RL36C.tmp
  • %Program Files%\K9-PCFixer\is-RJK0A.tmp
  • %Program Files%\K9-PCFixer\is-E5CC8.tmp
  • %Program Files%\K9-PCFixer\is-RE3R8.tmp
  • %Program Files%\K9-PCFixer\is-L4L6F.tmp
  • %Program Files%\K9-PCFixer\is-AJVVP.tmp
  • %Program Files%\K9-PCFixer\is-8324J.tmp
  • %Program Files%\K9-PCFixer\is-C8HRR.tmp
  • %Program Files%\K9-PCFixer\is-DE1CE.tmp
  • %Program Files%\K9-PCFixer\is-HVRCM.tmp
  • %Program Files%\K9-PCFixer\is-FU3G5.tmp
  • %Program Files%\K9-PCFixer\is-LPICP.tmp
  • %Program Files%\K9-PCFixer\is-9B4K2.tmp
  • %Program Files%\K9-PCFixer\is-UCEHQ.tmp
  • %Program Files%\K9-PCFixer\is-43I4P.tmp
  • %Program Files%\K9-PCFixer\is-3G5QP.tmp
  • %Program Files%\K9-PCFixer\is-RBOT3.tmp
  • %Program Files%\K9-PCFixer\is-20JDS.tmp
  • %Program Files%\K9-PCFixer\is-4C7S4.tmp
  • %Program Files%\K9-PCFixer\is-3Q56K.tmp
  • %Program Files%\K9-PCFixer\is-HDJB8.tmp
  • %Program Files%\K9-PCFixer\is-NCBJL.tmp
  • %Program Files%\K9-PCFixer\is-LJ4K1.tmp
  • %Program Files%\K9-PCFixer\is-8K851.tmp
  • %Program Files%\K9-PCFixer\is-TD269.tmp
  • %Program Files%\K9-PCFixer\is-9TM9T.tmp
  • %Program Files%\K9-PCFixer\is-2SSE5.tmp
  • %Program Files%\K9-PCFixer\is-RFAUO.tmp
  • %Program Files%\K9-PCFixer\is-VVAPV.tmp
  • %Program Files%\K9-PCFixer\is-A26BA.tmp
  • %Program Files%\K9-PCFixer\is-O05GA.tmp
  • %Program Files%\K9-PCFixer\is-EQKGI.tmp
  • %Program Files%\K9-PCFixer\is-557M2.tmp
  • %Program Files%\K9-PCFixer\is-Q5O6N.tmp
  • %Program Files%\K9-PCFixer\is-NV648.tmp
  • %Start Menu%\Programs\K9-PCFixer\K9-PCFixer.lnk
  • %Start Menu%\Programs\K9-PCFixer\Register K9-PCFixer.lnk
  • %Start Menu%\Programs\K9-PCFixer\Uninstall K9-PCFixer.lnk
  • %Desktop%\K9-PCFixer.lnk
  • %Program Files%\K9-PCFixer\unins000.msg
  • %User Temp%\is-GRD6U.tmp\roboot.exe
  • %User Profile%\K9-PCFixer\backup6.bin
  • %User Profile%\K9-PCFixer\eng_rcp.dat
  • %User Profile%\K9-PCFixer\k9am.exe
  • %Windows%\Tasks\K9-PCFixer_UPDATES.job
  • %Windows%\Tasks\K9-PCFixer_DEFAULT.job
  • %User Temp%\is-J6FLA.tmp\productSetup_Setup_5_10_2015.tmp
  • %User Temp%\is-EKRBK.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-EKRBK.tmp\isxdl.dll
  • %System%\roboot.exe

(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.. %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.. %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.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Other Details

This adware connects to the following possibly malicious URL:

  • http://www.{BLOCKED}xer.com/getipaddress.asp
  • http://track.{BLOCKED}ak.com/tempfile/4_31_163_2
  • http://d2uu7l47sbf1ja.{BLOCKED}ront.net/k9pcp/k9pcp_default.exe
  • {BLOCKED}0.1
  • {BLOCKED}.231.219
  • {BLOCKED}1.161.254
  • {BLOCKED}.195.161
  • {BLOCKED}.22.113

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.750

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
    • K9-PCFixer
  • In HKEY_LOCAL_MACHINE\Software\K9Tools
    • Params
  • In HKEY_CURRENT_USER\Software
    • K9-PCFixer
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • K9 PCFixer_is1
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • LANG
  • In HKEY_LOCAL_MACHINE\Software\K9-PCFixer
    • 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\K9\PC\Fixer\Key
    • 6
  • In HKEY_LOCAL_MACHINE\Software\K9\PC\Fixer\Key
    • 6

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
    • K9PCFReminder = "%Program Files%\K9-PCFixer\K9-PCFixer.exe -rem"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • TELNO = "(855) 716-7017"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9Tools\Params
    • delayASP = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • RCPURL = "http://www.{BLOCKED}xer.com/pcfixer/price.asp?"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • RENEWALURL = "http://www.{BLOCKED}xer.com/pcfixer/renewal.asp?"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StartAutoScanPMUI = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StartAutoScanOnLaunch = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StartAutoTutorial = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • MaxFixLimit = "f"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • Inno Setup: Setup Version = "5.5.5 (u)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • Inno Setup: App Path = "%Program Files%\K9-PCFixer"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • InstallLocation = "%Program Files%\K9-PCFixer"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • Inno Setup: Icon Group = "K9-PCFixer"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • Inno Setup: User = "Wilbert"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • Inno Setup: Language = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • DisplayName = "K9 PCFixer"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • DisplayIcon = "%Program Files%\K9-PCFixer\K9-PCFixer.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • UninstallString = "%Program Files%\K9-PCFixer\unins000.exe "
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • QuietUninstallString = "%Program Files%\K9-PCFixer\unins000.exe /SILENT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • DisplayVersion = "1.8"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • Publisher = "K9 Tools"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • URLInfoAbout = "http://www.{BLOCKED}xer.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • HelpLink = "http://www.{BLOCKED}xer.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • InstallDate = "20150510"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • MajorVersion = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • MinorVersion = "8"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer\LANG
    • LangCode = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer\LANG
    • LangID = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer\LANG
    • LangID = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\K9 PCFixer_is1
    • UninstallString = "%Program Files%\K9-PCFixer\unins000.exe /silent"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • LaunchASP = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • InstallASP = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • aspurl = "http://d2uu7l47sbf1ja.{BLOCKED}ront.net/k9pcp/k9pcp_default.exe"
  • 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_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • Expired = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • AppVersion = "1.8.243.209"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\K9-PCFixer
    • FirstTimeASPFired = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • SetChkDontShowRedTrayPopup = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • SetChkREmovableMedia = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • SetChkSkipEmptyKeys = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • ImprovementProgram = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StartWhenWinBoots = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • GoToSystemTrayOnClose = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • SetEnableSound = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • ConfirmBkUps = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StartScan = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StartMinimized = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • AutoRepair = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StrLastScanResults = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • ErrorCount = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • RegErrFoundTillDate = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • RegErrsFixedTillDate = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • RegErrsFixedLast = "0"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • NumTimesRCPRunned = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • FirstRun = "1"
  • In HKEY_CURRENT_USER\Software\K9-PCFixer
    • StartAutoScanPMUI = "0"

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-c81lh.tmp\{malware file name}.tmp
  • %User Temp%\is-GRD6U.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-GRD6U.tmp\_isetup\_iscrypt.dll
  • %User Profile%\K9-PCFixer\ipini.ini
  • %User Temp%\is-GRD6U.tmp\setup_en.bmp
  • %Program Files%\K9-PCFixer\unins000.dat
  • %Program Files%\K9-PCFixer\is-K9B1T.tmp
  • %Program Files%\K9-PCFixer\is-2NGE0.tmp
  • %Program Files%\K9-PCFixer\is-6M44L.tmp
  • %Program Files%\K9-PCFixer\is-S8AP5.tmp
  • %Program Files%\K9-PCFixer\is-CC8FU.tmp
  • %Program Files%\K9-PCFixer\is-34JJ5.tmp
  • %Program Files%\K9-PCFixer\is-FF3PD.tmp
  • %Program Files%\K9-PCFixer\is-4LO7U.tmp
  • %Program Files%\K9-PCFixer\is-B8NSS.tmp
  • %Program Files%\K9-PCFixer\is-4KT2O.tmp
  • %Program Files%\K9-PCFixer\is-LP1IE.tmp
  • %Program Files%\K9-PCFixer\is-7CKS2.tmp
  • %Program Files%\K9-PCFixer\is-NCDKE.tmp
  • %Program Files%\K9-PCFixer\is-3GANI.tmp
  • %Program Files%\K9-PCFixer\is-BEALF.tmp
  • %Program Files%\K9-PCFixer\is-CEQI8.tmp
  • %Program Files%\K9-PCFixer\is-RL36C.tmp
  • %Program Files%\K9-PCFixer\is-RJK0A.tmp
  • %Program Files%\K9-PCFixer\is-E5CC8.tmp
  • %Program Files%\K9-PCFixer\is-RE3R8.tmp
  • %Program Files%\K9-PCFixer\is-L4L6F.tmp
  • %Program Files%\K9-PCFixer\is-AJVVP.tmp
  • %Program Files%\K9-PCFixer\is-8324J.tmp
  • %Program Files%\K9-PCFixer\is-C8HRR.tmp
  • %Program Files%\K9-PCFixer\is-DE1CE.tmp
  • %Program Files%\K9-PCFixer\is-HVRCM.tmp
  • %Program Files%\K9-PCFixer\is-FU3G5.tmp
  • %Program Files%\K9-PCFixer\is-LPICP.tmp
  • %Program Files%\K9-PCFixer\is-9B4K2.tmp
  • %Program Files%\K9-PCFixer\is-UCEHQ.tmp
  • %Program Files%\K9-PCFixer\is-43I4P.tmp
  • %Program Files%\K9-PCFixer\is-3G5QP.tmp
  • %Program Files%\K9-PCFixer\is-RBOT3.tmp
  • %Program Files%\K9-PCFixer\is-20JDS.tmp
  • %Program Files%\K9-PCFixer\is-4C7S4.tmp
  • %Program Files%\K9-PCFixer\is-3Q56K.tmp
  • %Program Files%\K9-PCFixer\is-HDJB8.tmp
  • %Program Files%\K9-PCFixer\is-NCBJL.tmp
  • %Program Files%\K9-PCFixer\is-LJ4K1.tmp
  • %Program Files%\K9-PCFixer\is-8K851.tmp
  • %Program Files%\K9-PCFixer\is-TD269.tmp
  • %Program Files%\K9-PCFixer\is-9TM9T.tmp
  • %Program Files%\K9-PCFixer\is-2SSE5.tmp
  • %Program Files%\K9-PCFixer\is-RFAUO.tmp
  • %Program Files%\K9-PCFixer\is-VVAPV.tmp
  • %Program Files%\K9-PCFixer\is-A26BA.tmp
  • %Program Files%\K9-PCFixer\is-O05GA.tmp
  • %Program Files%\K9-PCFixer\is-EQKGI.tmp
  • %Program Files%\K9-PCFixer\is-557M2.tmp
  • %Program Files%\K9-PCFixer\is-Q5O6N.tmp
  • %Program Files%\K9-PCFixer\is-NV648.tmp
  • %Start Menu%\Programs\K9-PCFixer\K9-PCFixer.lnk
  • %Start Menu%\Programs\K9-PCFixer\Register K9-PCFixer.lnk
  • %Start Menu%\Programs\K9-PCFixer\Uninstall K9-PCFixer.lnk
  • %Desktop%\K9-PCFixer.lnk
  • %Program Files%\K9-PCFixer\unins000.msg
  • %User Temp%\is-GRD6U.tmp\roboot.exe
  • %User Profile%\K9-PCFixer\backup6.bin
  • %User Profile%\K9-PCFixer\eng_rcp.dat
  • %User Profile%\K9-PCFixer\k9am.exe
  • %Windows%\Tasks\K9-PCFixer_UPDATES.job
  • %Windows%\Tasks\K9-PCFixer_DEFAULT.job
  • %User Temp%\is-J6FLA.tmp\productSetup_Setup_5_10_2015.tmp
  • %User Temp%\is-EKRBK.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-EKRBK.tmp\isxdl.dll
  • %System%\roboot.exe

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-C81LH.tmp
  • %User Temp%\is-GRD6U.tmp
  • %User Temp%\is-GRD6U.tmp\_isetup
  • %User Profile%\Application Data\K9-PCFixer
  • %Program Files%\K9-PCFixer
  • %Start Menu%\Programs\K9-PCFixer
  • %User Temp%\is-J6FLA.tmp
  • %User Temp%\is-EKRBK.tmp
  • %User Temp%\is-EKRBK.tmp\_isetup

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as ADW_K9-PCFixer. 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\K9-PCFixer\K9-PCFixer.pif
  • %Start Menu%\Programs\K9-PCFixer\K9-PCFixer.url
  • %Start Menu%\Programs\K9-PCFixer\Register K9-PCFixer.pif
  • %Start Menu%\Programs\K9-PCFixer\Register K9-PCFixer.url
  • %Start Menu%\Programs\K9-PCFixer\Uninstall K9-PCFixer.pif
  • %Start Menu%\Programs\K9-PCFixer\Uninstall K9-PCFixer.url
  • %Desktop%\K9-PCFixer.pif
  • %Desktop%\K9-PCFixer.url
  • %Windows%\Tasks\K9-PCFixer.job
  • %Windows%\Tasks\K9-PCFixer_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
    • K9 PCFixer_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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