W32/Rbot-CQZ is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-CQZ 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-CQZ copies itself to <System>\rvdjlefr.exe.
The following registry entries are created to run rvdjlefr.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
AdobeReaderPro
rvdjlefr.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
AdobeReaderPro
rvdjlefr.exe
The following registry entry is set:
HKCU\Software\Microsoft\OLE
AdobeReaderPro
rvdjlefr.exe