Dowque Trojan

Removing Dowque
Categories: Trojan,Downloader,Hacker Tool
This category includes a variety of Trojans that damage victim machines or
threaten data integrity, or impair the functioning of the victim machine.
This family of Trojans downloads and installs new malware or adware on the computer.
The downloader then either launches the new malware or registers it to enable autorun
according to the local operating system requirements.

The names and locations of malware to be downloaded are either coded into the
Trojan or downloaded from a specified website.
Hacker Tools are designed to penetrate remote computers
in order to use them as zombies or to download other malicious programs to computer.

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Dowque Also known as:

[Kaspersky]Trojan-PSW.Win32.Delf.qc,Trojan-PSW.Win32.QQPass.xc,Trojan-PSW.Win32.OnLineGames.fwg,Packed.Win32.Klone.af;
[McAfee]Generic PWS,PWS-OnlineGames.a.dldr,PWS-QQGame;
[Other]Win32/Dowque!generic,Mal/Packer,Trojan:Win32/Downque.A,Win32/Dowque.AL,TrojanDropper:Win32/Dowque.A,Troj/QQPass-JDD,Hupigon.gen83,Hupigon.gen101

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Visible Symptoms:
Files in system folders:
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Jmp
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Sys
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.bak
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\ReDelBat.bat
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo.vxd
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo1.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\system42.rar
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\upsetup.exe
[%PROGRAM_FILES_COMMON%]\SyInfo.bps
[%PROGRAM_FILES_COMMON%]\system.dt2
[%SYSTEM%]\asview32.dll
[%SYSTEM%]\_rejoice81.exe
[%SYSTEM%]\_upsetup.exe
[%WINDOWS%]\rejoice81.exe
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Jmp
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Sys
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.bak
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\ReDelBat.bat
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo.vxd
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo1.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\system42.rar
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\upsetup.exe
[%PROGRAM_FILES_COMMON%]\SyInfo.bps
[%PROGRAM_FILES_COMMON%]\system.dt2
[%SYSTEM%]\asview32.dll
[%SYSTEM%]\_rejoice81.exe
[%SYSTEM%]\_upsetup.exe
[%WINDOWS%]\rejoice81.exe

How to detect Dowque:

Files:
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Jmp
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Sys
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.bak
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\ReDelBat.bat
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo.vxd
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo1.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\system42.rar
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\upsetup.exe
[%PROGRAM_FILES_COMMON%]\SyInfo.bps
[%PROGRAM_FILES_COMMON%]\system.dt2
[%SYSTEM%]\asview32.dll
[%SYSTEM%]\_rejoice81.exe
[%SYSTEM%]\_upsetup.exe
[%WINDOWS%]\rejoice81.exe
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Jmp
[%PROGRAM_FILES%]\Internet Explorer\PLUGINS\System64.Sys
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.bak
[%PROGRAM_FILES%]\Internet Explorer\romdrivers.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\ReDelBat.bat
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo.vxd
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\SysInfo1.dll
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\system42.rar
[%PROGRAM_FILES_COMMON%]\Microsoft Shared\MSInfo\upsetup.exe
[%PROGRAM_FILES_COMMON%]\SyInfo.bps
[%PROGRAM_FILES_COMMON%]\system.dt2
[%SYSTEM%]\asview32.dll
[%SYSTEM%]\_rejoice81.exe
[%SYSTEM%]\_upsetup.exe
[%WINDOWS%]\rejoice81.exe

Registry Keys:
HKEY_CLASSES_ROOT\clsid\{754fb7d8-b8fe-4810-b363-a788cd060f1f}
HKEY_CLASSES_ROOT\clsid\{0cb68ad9-ff66-3e63-636b-b693e62f6236}
HKEY_CLASSES_ROOT\clsid\{0ea66ad2-cf26-2e23-532b-b292e22f3266}
HKEY_CLASSES_ROOT\clsid\{72204f90-5cd6-41b1-bd69-62cd84c9fb24}
HKEY_CLASSES_ROOT\clsid\{7f4d1081-25fd-44f5-99c6-ff271cfb7ec2}
HKEY_CLASSES_ROOT\clsid\{90bc520c-9175-470e-94b8-10fd869d170b}
HKEY_LOCAL_MACHINE\system\currentcontrolset\services\sheellhwd
HKEY_LOCAL_MACHINE\system\currentcontrolset\services\wmi performance adapte

Registry Values:
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shellexecutehooks
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shellexecutehooks
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shellexecutehooks
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shellexecutehooks
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shellexecutehooks
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shellexecutehooks
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\shellexecutehooks
HKEY_LOCAL_MACHINE\system\currentcontrolset\services\winmtsrv

Removing Dowque:

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