W32/Rbot-AVK is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-AVK spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), PNP (MS05-039) and ASN.1 (MS04-007) and by copying itself to network shares protected by weak passwords.
W32/Rbot-AVK 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/Rbot-AVK copies itself to <System>\bling.exe.
The following registry entries are created to run bling.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
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bling.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
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bling.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
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bling.exe