ws2ifsl.sys – Repair & Free Download for Windows 7/8/XP/Vista

What is ws2ifsl.sys?
ws2ifsl.sys, also written as Winsock2 IFS Layer, or ws2ifsl, is a shared library for WsUpgrade (WsUpgrade.dll) and d3dx9_42.dll in computers installed with Microsoft Windows 7, Windows 8, Windows Vista and Windows XP, including 32 bit and 64 bit operating systems. DLL ws2ifsl.sys is associated with 21504 system files and most of them are used to execute software programs like Crimson Skies, Symantec Endpoint Protection and Mozilla

Symptoms of ws2ifsl.sys error:
When there is problem with file ws2ifsl.sys, your computer would have the following error symptoms:

  1. ws2ifsl.sys is missing, cannot find ws2ifsl.sys, can’t load ws2ifsl.sys
  2. WsUpgrade (WsUpgrade.dll) was not found
  3. wmiprop (wmiprop.dll) blue screen of death (BSOD)
  4. d3dx9_42.dll is missing from your computer during Crimson Skies startup
  5. ws2ifsl.sys error in Windows startup and registry
  6. 2/two WsUpgrade (WsUpgrade.dll) in Task Manager and high CPU/Memory usage
  7. ws2ifsl.sys entry point not found when running Mozilla

How to fix and repair ws2ifsl.sys problems?
If ws2ifsl.sys error is not repaired as soon as possible, your computer would no longer work correctly. To resolve ws2ifsl.sys issue, you need ws2ifsl.sys file fixer. Elouise Fote, a web traffic analysis expert from GovLoop, said a total of 9172748 ws2ifsl.sys solution requests since 7/13/2009 5:10:34 PM. He also mentioned the effective way to fix ws2ifsl.sys error is to use DLL Suite.

How to use DLL Suite to fix ws2ifsl.sys?
The idea behind DLL Suite is to make every DLL repair become easier, even common computer users can make this complicated work done with 3 mouse clicks. For the ws2ifsl.sys repair, what you need to do is to download DLL Suite, scan your computer and then repair ws2ifsl.sys problems.

The cause of ws2ifsl.sys error:
The data published by Symantec Endpoint Protection shows why you got ws2ifsl.sys error is because of TrojanDownloader:Win32/Banker.GV infection. Vina Korba, the leader in Symantec Endpoint Protection antivirus center, said around 21504 computers were infected by TrojanDownloader:Win32/Banker.GV everyday. When TrojanDownloader:Win32/Banker.GV loads, it starts to download and install malware Program:Win32/BaiduIebar from At the same time, TrojanDownloader:Win32/Banker.GV will collect private information from the affected machines and then upload these data to the remote server through electronic means.

TrojanDownloader:Win32/Banker.GV will close and delete itself after Program:Win32/BaiduIebar installation. The most severe issue next is Program:Win32/BaiduIebar will scan your computer, display around 9172748 false system errors and ask you to pay to clean them to fix ws2ifsl.sys problem. If you take these so-called recommended actions, you would receive ws2ifsl.sys blue screen of death during your system startup and Crimson Skies operation.

ws2ifsl.sys FAQs you might like:

Q: Can my Symantec Endpoint Protection help fix ws2ifsl.sys problems?
A: If your Symantec Endpoint Protection only removes and deletes TrojanDownloader:Win32/Banker.GV virus from ws2ifsl.sys, it would help fix ws2ifsl.sys error. But the real truth is most of the antivirus software programs not only remove ws2ifsl.sys virus, but also delete file ws2ifsl.sys. That is why you still get ws2ifsl.sys is missing error after TrojanDownloader:Win32/Banker.GV removal.

Q: Can I uninstall Program:Win32/BaiduIebar to fix ws2ifsl.sys error?
A: If you got ws2ifsl.sys error after Program:Win32/BaiduIebar installation, you can try software uninstalling to solve ws2ifsl.sys issue. But so far none of the computer users have the luck; this is because the DLL introduced by Program:Win32/BaiduIebar re-writes ws2ifsl.sys and changes ws2ifsl.sys registry entries. That is why you see ws2ifsl.sys blue screen of death after registry cleanup by Program:Win32/BaiduIebar.

Q: Can I upgrade Winsock2 IFS Layer driver to stop ws2ifsl.sys blue screen on my Hedy computer?
A: Updating Winsock2 IFS Layer driver is the most used way to solve ws2ifsl.sys problem, but it is not a recommended workable solution, especially when there is error in ws2ifsl.sys associated file: d3dx9_42.dll and wmiprop (wmiprop.dll). To determine if there is problem with both of these 2 files, you can use DLL Suite to scan your computer and check if they are listed in the scan results.

Q: Can I fix and install ws2ifsl.sys file manually?
A: The answer is absolutely YES and the whole process is easy. What you need to do is to:

    1. Retrieve ws2ifsl.sys from your system setup disk, another PC running the same system with yours, or through DLL Suite database.
    2. Save ws2ifsl.sys to C:WindowsSystem32winsxsamd64_microsoft-windows-w..rastructure-ws2ifsl_31bf3856ad364e35_6.1.7600.16385_none_ab7b927be17eace8
    3. Type regsvr32 ws2ifsl.sys and press Enter in CMD window

Q: Can I use DLL Suite to download ws2ifsl.sys file for free?
A: The answer is absolutely YES. DLL Suite not only helps fix ws2ifsl.sys problem automatically, but also allows its users to download ws2ifsl.sys for free. Since 7/13/2009 5:10:34 PM, a total of 9172748 ws2ifsl.sys downloads has been taken by DLL Suite users and 21504 of them chose the paid version to resolve ws2ifsl.sys issue automatically. To start ws2ifsl.sys download, please download DLL Suite and then take the recommended instruction on the software interface.

How to prevent ws2ifsl.sys error?
ws2ifsl.sys problems can arise due to many aspects, including TrojanDownloader:Win32/Banker.GV virus infection, malware Program:Win32/BaiduIebar, antivirus Symantec Endpoint Protection installation, missing d3dx9_42.dll, out-of-date Winsock2 IFS Layer driver, etc. To fix and prevent ws2ifsl.sys error, you can take the following methods:

  1. Keep your Winsock2 IFS Layer driver up-to-date and all of your DLL versions are correct with DLL Suite. Download DLL Suite
  2. Clean up invalid registry keys of ws2ifsl.sys with UniOptimizer. Download UniOptimizer
  3. Keep your computer is TrojanDownloader:Win32/Banker.GV and Program:Win32/BaiduIebar free by using anti-spyware Hit Malware. Download Hit Malware



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