Sirefef Removal: Remove Sirefef Forever

Information provided by: Alexey Abalmasov

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Threat's description and solution are developed by Security Stronghold security team.

Here you can also learn:

What is Sirefef? Technical details of Sirefef problem and Sirefef removal tool.

Methods for manual Sirefef removal.

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Threat's profile

Sirefef Trojan is a type of spyware that is able to deactivate all standard antivirus software. So, if you have this Trojan, you even cannot know about the existence of it on your computer. Sirefef Trojan makes it possible for hackers to control your computer, using remote access. This Trojan also can upload different infections on your computer, and nothing prevents this process, because the security system of the computer is deactivated.

Sirefef intrusion method

Sirefef copies its file(s) to your hard disk. Its typical file name is HelpSvc.exe. Then it creates new startup key with name Sirefef and value HelpSvc.exe. You can also find it in your processes list with name HelpSvc.exe or Sirefef.

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Download program to remove Sirefef (Sirefef Removal Tool)

Recommended Solution

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Fast, easy, and handy, Sirefef Removal Tool protects your computer against Sirefef that does harm to your computer and breaks your privacy. Sirefef Removal Tool scans your hard disks and registry and destroys any manifestation of Sirefef. Standard anti-virus software can do nothing against malicious programs like Sirefef. Remove Sirefef straight away!

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How to fix Sirefef?

This problem can be solved manually by deleting all registry keys and files connected with Sirefef, removing it from starup list and unregistering all corresponding DLLs. Additionally missing DLL's should be restored from distribution in case they are corrupted by Sirefef.

To get rid of Sirefef, you should:

1. Kill the following processes and delete the appropriate files:

• HelpSvc.exe
• logevent.dll
• win32k.sys:1
• win32k.sys:2
• Thumbs.db

Warning: you should delete only those files which checksums are listed as malicious. There may be valid files with the same names in your system. We recommend you to use Sirefef Removal Tool for safe problem solution.

2. Delete the following malicious folders:

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3. Delete the following malicious registry entries and\or values:

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Warning: if value is listed for some registry entries, you should only clear these values and leave keys with such values untouched. We recommend you to use Sirefef Removal Tool for safe problem solution.

Here are the descriptions of problems connected with Sirefef and HelpSvc.exe we received earlier:

Problem Summary: sirefef.w

anytime we try to fix it with one of the websites online help the computer restarts itself without asking us and it does so continuously

The support ticket is opened for this person in our HelpDesk and our support team is currently solving the problem described.

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