W32.Perz is a detection for a worm that propagates on unsecured file-sharing networks. Upon infection, W32.Perz will create a backdoor ports to allow a remote attacker gain control of the infected computer. Additional malware may also be downloaded and executed on the target machine.

Alias: -

Damage Level: Low

Systems Affected: Windows

Manual Removal

1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Update the virus definitions.
3. Reboot computer in SafeMode [how to]
4. Run a full system scan and clean/delete all infected file(s)
5. Delete/Modify any values added to the registry. [how to edit registry]

Navigate to and delete the following registry entry:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrent VersionWinlogonNotify[RANDOM NAME THREE]“[RANDOM NAME ONE]32.dll” = “%System%[RANDOM NAME ONE]32.dll”

Navigate to and restore the following registry entry to its previous value, if required:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrent VersionWindows”AppInit_Dlls” = “%System%[RANDOM NAME ONE]32.dll”

6. Exit registry editor and restart the computer.
7. In order to make sure that threat is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.