PUA_JAWEGO.GA
Riskware/Jawego (Fortinet); a variant of Win32/Jawego.C potentially unwanted (ESET-NOD32); PUP.Optional.PCCleanPlus (Malwarebytes)
Windows
Threat Type: Potenitally Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Potenitally Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
3,964,968 bytes
EXE
Yes
10 Apr 2017
Arrival Details
This Potenitally Unwanted Application 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 Potenitally Unwanted Application adds the following folders:
- %All Users Profile%\Start Menu\Programs\PC Clean Plus
- %Application Data%\Event Monitor
- %Application Data%\PC Clean Plus
- %Program Files%\PC Clean Plus
(Note: %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData 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.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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.)
It drops the following files:
- %All Users Profile%\Start Menu\Programs\PC Clean Plus\PC Clean Plus.lnk
- %All Users Profile%\Start Menu\Programs\PC Clean Plus\Register PC Clean Plus.lnk
- %All Users Profile%\Start Menu\Programs\PC Clean Plus\Uninstall PC Clean Plus.lnk
- %All Users Profile%\Desktop\PC Clean Plus.lnk
- %Application Data%\Event Monitor\ininotfound0.ini
- %Application Data%\Event Monitor\log_{date}.log
- %Application Data%\Event Monitor\em.exe
- %Application Data%\Event Monitor\isxdl.dll
- %Application Data%\Event Monitor\eng_em.ini
- %Application Data%\Event Monitor\French_em.ini
- %Application Data%\Event Monitor\German_em.ini
- %Application Data%\Event Monitor\japan_em.ini
- %Application Data%\Event Monitor\ininotfound0.ini
- %Application Data%\PC Clean Plus\backup6.bin
- %Application Data%\PC Clean Plus\log_{date}.log
- %Program Files%\PC Clean Plus\unins000.msg
- %Program Files%\PC Clean Plus\unins000.dat
- %Program Files%\PC Clean Plus\unins000.exe
- %Program Files%\PC Clean Plus\PCCleanPlus.exe
- %Program Files%\PC Clean Plus\install_left_image.bmp
- %Program Files%\PC Clean Plus\isxdl.dll
- %Program Files%\PC Clean Plus\emsetup.exe
- %Program Files%\PC Clean Plus\Chinese_pcp.ini
- %Program Files%\PC Clean Plus\Danish_pcp.ini
- %Program Files%\PC Clean Plus\Dutch_pcp.ini
- %Program Files%\PC Clean Plus\eng_pcp.ini
- %Program Files%\PC Clean Plus\French_pcp.ini
- %Program Files%\PC Clean Plus\German_pcp.ini
- %Program Files%\PC Clean Plus\Italian_pcp.ini
- %Program Files%\PC Clean Plus\Japanese_pcp.ini
- %Program Files%\PC Clean Plus\Norwegian_pcp.ini
- %Program Files%\PC Clean Plus\Portuguese_pcp.ini
- %Program Files%\PC Clean Plus\Spanish_pcp.ini
- %Program Files%\PC Clean Plus\Swedish_pcp.ini
- %Program Files%\PC Clean Plus\Finnish_pcp_fi.ini
- %Program Files%\PC Clean Plus\portugese_pcp_pt.ini
- %Program Files%\PC Clean Plus\russian_pcp_ru.ini
- %Program Files%\PC Clean Plus\greek_pcp_el.ini
- %Program Files%\PC Clean Plus\turkish_pcp_tr.ini
- %Program Files%\PC Clean Plus\polish_pcp_pl.ini
- %Program Files%\PC Clean Plus\korean_pcp_ko.ini
- %Program Files%\PC Clean Plus\TraditionalCn_pcp_zh-tw.ini
- %Program Files%\PC Clean Plus\FileList.pcp
- %Program Files%\PC Clean Plus\RegList.pcp
- %Program Files%\PC Clean Plus\xmllite.dll
(Note: %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData 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.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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.)
Other System Modifications
This Potenitally Unwanted Application adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\
Params
HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
HKEY_CURRENT_USER\Software\PC Clean Plus
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
HKEY_LOCAL_MACHINE\SOFTWARE\Event Monitor
It adds the following registry entries:
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
affiliateid = ""
HKEY_LOCAL_MACHINE\SOFTWARE\Jawego\
Params
PCCP = 1
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\PC Clean Plus
PCPURL = {URL}
HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
RENEWALURL = {URL}
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 = 15
HKEY_CURRENT_USER\Software\PC Clean Plus
1stInstalled_Time = {date of installation}
HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
FirstTimeASPFired = 1
HKEY_LOCAL_MACHINE\SOFTWARE\PC Clean Plus
Expired = 0
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\key\
6
{default} = {hex values}
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 = {Username}
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 = {URL}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
HelpLink = {URL}
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 = {date of installation}
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_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Clean Plus_is1
UninstallString = "%Program Files%\PC Clean Plus\unins000.exe" /silent
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
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
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
EMReminder = %Application Data%\Event Monitor\em.exe -rem
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
PCCPReminder = %Program Files%\PC Clean Plus\PCCleanPlus.exe -rem
Other Details
This Potenitally Unwanted Application connects to the following possibly malicious URL:
- http://www.{BLOCKED}nplus.com/afterinstall/?utm_content=AfterInstall&utm_term=Setup&page=install&utm_source=1016_&utm_campaign=1016&utm_medium=newbuild&LangID=en
- http://im.{BLOCKED}ak.com/installtracker.aspx?trackpx={value}
However, as of this writing, the said sites are inaccessible.
SOLUTION
9.850
1.829.00
20 Apr 2017
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
Step 4
Delete this registry key
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\Jawego
- Params
- Params
- In HKEY_LOCAL_MACHINE\SOFTWARE
- PC Clean Plus
- PC Clean Plus
- In HKEY_CURRENT_USER\Software
- PC Clean Plus
- PC Clean Plus
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- PC Clean Plus_is1
- PC Clean Plus_is1
- In HKEY_LOCAL_MACHINE\SOFTWARE
- Event Monitor
- Event Monitor
Step 5
Delete this registry value
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
- EMReminder = %Application Data%\Event Monitor\em.exe -rem
- EMReminder = %Application Data%\Event Monitor\em.exe -rem
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- PCCPReminder = %Program Files%\PC Clean Plus\PCCleanPlus.exe -rem
- PCCPReminder = %Program Files%\PC Clean Plus\PCCleanPlus.exe -rem
Step 6
Search and delete this folder
- %All Users Profile%\Start Menu\Programs\PC Clean Plus
- %Application Data%\Event Monitor
- %Application Data%\PC Clean Plus
- %Program Files%\PC Clean Plus
Step 7
Search and delete this file
- %All Users Profile%\Desktop\PC Clean Plus.lnk
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as PUA_JAWEGO.GA. 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.
Did this description help? Tell us how we did.