Remove Clown. Description and removal instructions

Title: Clown
Type: Backdoors	Severity scale: (65 / 100)

Clown is an IRC-controlled backdoor that provides the attacker with unauthorized remote access to a compromised computer. The intruder can issue specific commands in attempt to steal user sensitive information and gain control over the infected system. Clown may steal serial keys and registration details related to installed Quake 4 and Steam-based computer games. It can also disable some Windows essential tools like the Task Manager and the Registry Editor. The backdoor is able to silently update itself via the Internet. Clown automatically runs on every Windows startup.

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Clown properties:
• Allows remote user connection
• Connects itself to the internet
• Hides from the user
• Stays resident in background

Automatic Clown removal:

remover for Clown

Clown manual removal:

Kill processes:
syscom832.exe

HELP:
how to kill malicious processes

Delete registry values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit=userinit.exe,syscom832.exe
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr=1
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools=1

HELP:
how to remove registry entries

Delete files:
syscom832.exe, serfer.ini

HELP:
how to remove harmful files

Misc:
Files syscom832.exe and serfer.ini reside in default system directory, which is one of the following: C:\Windows\System, C:\Windows\System32, C:\Winnt\System32.

Other programs to remove Clown:

• SUPERAntiSpyware - Review - Download
• CounterSpy - Review - Download
• Windows Defender - Review - Download

Information added: 17/12/05
Information updated: 17/12/05

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