W32.Dozer is a worm that will drop additional threat into a computer. W32.Dozer can be obtained by opening a malicious attached file from scam email messages.
| Type | Worm |
| Sub-Type | Downloader |
| Aliases | |
| OS Affected | Windows |
| Detected By | Symantec |
What W32.Dozer Does?
It will create the following Windows Registry entries:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WmiConfig
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WmiConfig
The threat will drop the following malicious files:
- %System%\[RANDOM CHARACTERS].nls
%System%\wmcfg.exe
%System%\wmiconf.dll
%System%\dllcache\npptools.dll
%System%\drivers\npf.sys
%System%\npptools.dll
%System%\Packet.dll
%System%\WanPacket.dll
%System%\wpcap.dll
How to Remove W32.Dozer Manually
1. Restart your computer in SafeMode
- After Power-On the computer, just before Windows start, press F8
- From the selections, Select SafeMode
2. Remove Registry entry/entries that the threat added. You MUST BACKUP YOUR REGISTRY FIRST.
- Click Start > Run
- Type in the field, regedit
- Navigate and look for the registry entry/entries mentioned above and delete if necessary
3. Delete malicious file/files that the threat added:
- Base on the given location above, browse and delete the file
- If no location is given, click Start>Search> and search for the file/files.
- If cannot be deleted, press Ctrl+Alt+Del to access Task Manager, see if the file is running in the process. If it is, select the file and click End Process. Perform file delete again.
Automatic Removal of W32.Dozer
1. Use the W32.Mydoom.A@mm removal tool. Download here.