Troj/QQPass-U

Aliases	Trojan-PSW.Win32.QQShou.ag Generic PWS.f trojan Trojan.PWS.QQPass
Category	Viruses and Spyware
Type	Trojan
What to do	If you've received an alert for a virus or spyware, then follow the instructions for removing the threat.
Prevalence	low high

Summary


Affected operating systems	Windows
Characteristics	Installs itself in the registry
Included in our products from	October 2005 (3.98)
Protection available since	31 August 2005 00:37:28 (GMT)
Detected by	All Sophos products

Troj/QQPass-U is a password stealing Trojan for the Windows platform.

When first run Troj/QQPass-U copies itself to:

<Temp>\temp~2
<System>\runlli32.exe

and creates the following files:

<System>\temp1.jpg
<System>\winnnn.dll

The files temp1.jpg and winnnn.dll are not malicious and can simply be deleted.

Troj/QQPass-U may try to terminate security related processes.

The following registry entries are created to run runlli32.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Rnudll32
runlli32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
sdsr
runlli32.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
Rundli32
runlli32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
HKEYok
runlli32.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Runonce
Rundil32
runlli32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
chope
runlli32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServicesOnce
Regexit
runlli32.exe

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