W32/Mytob-FM is a mass-mailing worm and IRC backdoor for the Windows platform.
W32/Mytob-FM 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.
W32/Mytob-FM is a mass-mailing worm and IRC backdoor for the Windows platform.
W32/Mytob-FM 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/Mytob-FM copies itself to <System>\wID32.exe.
The following registry entries are created to run wID32.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
WINDOWS ID SYSTEM
wID32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
WINDOWS ID SYSTEM
wID32.exe
W32/Mytob-FM sets the following registry entries, disabling the automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4
Note: disabling autostart for the SharedAccess service deactivates the Microsoft Internet Connection Firewall (ICF).