W32/Agobot-VI

Please follow the instructions for removing worms.

W32/Agobot-VI is a worm with backdoor functionality for the Windows platform.

W32/Agobot-VI spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: PNP (MS05-039) and ASN.1 (MS04-007) and by copying itself to network shares protected by weak passwords.

W32/Agobot-VI 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. W32/Agobot-VI is a worm with backdoor functionality for the Windows platform.

W32/Agobot-VI spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: PNP (MS05-039) and ASN.1 (MS04-007) and by copying itself to network shares protected by weak passwords.

W32/Agobot-VI 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 W32/Agobot-VI copies itself to <Windows system folder>\Stney.exe.

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

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Help
Stney.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Windows Help
Stney.exe

Registry entries are set as follows:

HKCU\Software\Policies\Microsoft\Windows\WindowsUpdate\AU
NoAutoUpdate
1

HKCU\Software\Policies\Microsoft\Windows\WindowsUpdate\AU
AUOptions
1

HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
NoAutoUpdate
1

HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
AUOptions
1

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
AUOptions
1

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
0

Registry entries are created under:

HKCU\Software\Microsoft\Security Center\
HKLM\SOFTWARE\Microsoft\Security Center\