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Malware -
Harmful EXE
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mfc42.exe is the name of a file that was used in windows95.
Product Name Microsoft Plus! for Windows 95
Copyright Copyright Microsoft Corp. 1995
Another company that is using this name is HP. Hp has a file of this name mfc42.exe available for download on their website, which is required to solve an issue regarding the HP Deskjet printers in windows98. And it creates a file named mfc42.dll
But recently this filename is used by virus writers to infect your computer. Most of the instances of the infection report that the malicious mfc42.exe is located at %Windir%\mfc42.exe , in windows XP, that would be C:\Windows\mfc42.exe in prior versions it could be C:\winnt\mfc42.exe
| Aliases: These are a number of viruses that are reported to save a file of this name mfc42.exe on an infected computer. see link
| Delete these Files: There are different viruses/ or different variations of similar viruses, which add different files on the infected computer apart from the mfc42.exe, I will try to list them together. Delete these files if you find them in the locations listed below. %Windir%\mfc42.exe
%System%\KERNEL32.exe
%System%\360tay.exe
%System% is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP) %Windir% is C:\Windows or C:\Winnt | | View Hidden Files: Before you could delete them, you need to search for them, and before doing that you need to enable to view hidden files and folders Click here to read more... | | Boot in safe mode: Sometimes you will not be able to delete a file even if you find it, in that case you should boot in safe mode and then try to delete it/ them. Click here to read more... | | End Process in the Task Manager: If you find the virus processes running in the Task Manager, you can select them one by one and press End process button, that will help you to delete them from the hard disk. Click here to read more... | | Unable to Open Task Manager: If that happens, you can try these free tools to enable the task manager again. Click here to read more... | | Run CCleaner : If you manage to find the viruses and delete them, even then there will be associated entries in the windows registry. If you run a free software called CCleaner, that will help you to automatically clean the registry from the virus entries. Click here to read more... | Delete the registry keys manually: If you are brave enough to do so. You can edit the registry by using the windows built in registry editor. Click here to read more... Here are the details of registry keys created by one Variation the viruses. And here is a link that will list all the different variations. Open it in leisure. | reprinted with permission from threatexpert
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