Procesul winmon32

W32/Sdbot-OI is a worm which attempts to spread to remote network shares. It also contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via IRC channels while running in the background as a service process.

W32/Sdbot-OI spreads to network shares with weak passwords and via network security exploits as a result of the backdoor Trojan element receiving the appropriate command from a remote user.

W32/Sdbot-OI copies itself to the Windows system folder as
WINMON32.EXE and creates entries at the following locations in the registry with the value Windows Monitor so as to run itself on system startup, resetting these values multiple times every second:

HKLMSoftwareMicrosoftWindowsCurrentVersionRun
HKLMSoftwareMicrosoftWindowsCurrentVersionRunServices
HKCUSoftwareMicrosoftWindowsCurrentVersionRun
HKCUSoftwareMicrosoftWindowsCurrentVersionRunServices

W32/Sdbot-OI also sets the following registry entries to point to itself multiple times every second:

HKLMSoftwareMicrosoftOLE
HKLMSoftwareSYSTEMCurrentControlSetControlLsa
HKCUSoftwareMicrosoftOLE
HKCUSoftwareSYSTEMCurrentControlSetControlLsa

W32/Sdbot-OI sets the following registry entries every 2 minutes:

HKLMSOFTWAREMicrosoftOleEnableDCOM = "N"
HKLMSYSTEMCurrentControlSetControlLsarestrictanonymous = "1"

W32/Sdbot-OI attempts to delete network shares on the host computer every 2 minutes.