W32/Rbot-BJA is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-BJA 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-BJA copies itself to <System>\mssetupconf.exe.
The following registry entries are created to run mssetupconf.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
System Update
mssetupconf.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
System Update
mssetupconf.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
System Update
mssetupconf.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
System Update
mssetupconf.exe
Registry entries are set as follows:
HKCU\SYSTEM\CurrentControlSet\Control\Lsa
System Update
mssetupconf.exe
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
System Update
mssetupconf.exe
HKCU\Software\Microsoft\OLE
System Update
mssetupconf.exe
HKLM\SOFTWARE\Microsoft\Ole
System Update
mssetupconf.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1