Remove False Isass Exe File and Get Rid of Sasser Worm

"Isass.exe", the Local Security Authentication Server, aims to help authenticating users log in their computer correctly. Recently, the file has generated lots of problems and made many users fail to log in their system. All are due to a worm called the Sasser Worm. If you get the Isass.exe not found or missing error message, your system is likely infected by the Sasser Worm. You need to remove the virus as soon as possible.

Usually, there are two situations. On the one hand, the worm can infect Isass.exe and force it to malfunction; on the other hand, the worm can delete or disable the legal exe file and display itself with the same name. Once the infected or false Isass.exe file is executed, the worm can spread over the system and cause other common virus infection problems, for example,

* Networking is disabled even in Safe Mode
* Malicious advertisements pop up if networking is available.
* Continuous exe error message pops up
* Windows fails to boot up

So how can you get rid of the fake exe file and remove the worm completely? What you really need is a specialized antivirus program. The solution is only suitable for those who can still log in their compromised computer. If you can not log in windows system even in Safe Mode, the only way for you is to call an expert.

How to remove false Isass.exe with your antivirus?

1. Enter Safe Mode. If your antivirus needs networking to scan your system, enter Safe Mode with Networking by pressing F8 during windows startup.
2. Remove temporary files in the Temp folder.
3. Open Task Manager and check whether a process named Isass.exe or in a similar name is running in the background. Kill it if you find one.
4. Run your antivirus program to scan the whole system.
5. Remove the virus.

Lots of security programs have been disabled by the powerful virus. If your current antivirus program can not effectively detect and remove the false Isass.exe file, you should quickly use another one. Among so many security programs that have been proved to be able to remove the virus, we recommended Spyware Cease as you can also use its local scan to remove infected Isass.exe even the worm disable networking in your system local scan of this powerful antivirus program doesn't require networking to delete.