high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | December 2005 (4.00) |
| Protection available since | 4 November 2005 04:36:46 (GMT) |
| Last updated | 9 November 2005 01:23:07 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
More Information
W32/Rbot-AVQ is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-AVQ 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/Rbot-AVQ will spread through network shares protected by weak passwords and by taking advantage of the following exploits:
RPC-DCOM (MS04-012)
PNP (MS05-039)
ASN.1 (MS04-007)
When first run W32/Rbot-AVQ copies itself to <System>\bhsv.exe.
The following registry entries are created to run bhsv.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Browser Help Svc
BHSV.EXE
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Browser Help Svc
BHSV.EXE
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
Browser Help Svc
BHSV.EXE
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Browser Help Svc
BHSV.EXE
Registry entries are set as follows:
HKCU\SYSTEM\CurrentControlSet\Control\Lsa
Browser Help Svc
BHSV.EXE
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
Browser Help Svc
BHSV.EXE
HKCU\Software\Microsoft\OLE
Browser Help Svc
BHSV.EXE
HKLM\SOFTWARE\Microsoft\Ole
Browser Help Svc
BHSV.EXE
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