Summary

Summary
Action
More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | February 2006 (4.02) |
| Protection available since | 8 December 2005 21:54:13 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please contact technical support.
More Information
W32/Kelvir-BI is a worm and backdoor Trojan for the Windows platform.
W32/Kelvir-BI includes functionality to access the internet and communicate with
a remote server via HTTP.
W32/Kelvir-BI sends itself to MSN contacts with any of the following messages:
This is what i made for u (K)
What, damn i never seen this before if u do, let me know.
I think i love this person, it's so beautifull :$
W32/Kelvir-BI can also spread by copying itself to the download folders of the peer-to-peer networking applications Shareaza, Emule and Limewire.
When first run W32/Kelvir-BI copies itself to <Windows>\service.exe.
The following registry entries are created to run service.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Service
<Windows>\service.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Service
<Windows>\service.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
Service
<Windows>\service.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Service
<Windows>\service.exe
The following registry entries are also set:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
DisableRegistryTools
1
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4
