Sophos

Troj/PcClien-FP

Aliases
  • Backdoor.Win32.PcClient.qf
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from July 2006 (4.07)
Protection available since 28 May 2006 13:11:51 (GMT)
Detected by All Sophos products

Action

More Information

Troj/PcClien-FP is an IRC backdoor Trojan for the Windows platform.

Troj/PcClien-FP runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

When first run Troj/PcClien-FP copies itself to <System>\reg1.exe.

The following registry entries are created to run reg1.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
System
REG1.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
System
REG1.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
System
REG1.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
System
REG1.exe

Registry entries are set as follows:

HKCU\SYSTEM\CurrentControlSet\Control\Lsa
System
REG1.exe

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
System
REG1.exe

HKCU\Software\Microsoft\OLE
System
REG1.exe

HKLM\SOFTWARE\Microsoft\Ole
System
REG1.exe

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