Mydoom.L is a Worm. Worms spread from computer to computer, making copies of themselves over the network. They could spread over email, IM, peer-to-peer networks, or directly over the wire by leveraging vulnerabilities. Mydoom.L has a file size of 22,020 bytes. Mydoom.L drops the following files on the hard drive: - C:\WINDOWS\lsass.exe (22020 bytes)
- C:\WINDOWS\TEMP\x0cjf.txt (1036 bytes)
It also changes Windows registry: - Creates key "HKLM\Software\Microsoft\Windows\CurrentVersion\POSIX".
- Creates key "HKCU\Software\Microsoft\Windows\CurrentVersion\POSIX".
- Creates value "Traybar"="C:\WINDOWS\lsass.exe" in key "HKLM\Software\Microsoft\Windows\CurrentVersion\Run".
It also has possible backdoor functionality [unknown] port 1042, is executed every time Windows starts.
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