What is zdl.dll?

zdl.dll is usually located in the 'c:\WINDOWS\system32\' folder.

Some of the anti-virus scanners at VirusTotal detected zdl.dll.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

VirusTotal report

37 of the 43 anti-virus programs at VirusTotal detected the zdl.dll file. That's a 86% detection rate.

Scanner	Detection Name
AhnLab-V3	Win32/Koobface.worm.49664.F
AntiVir	Worm/Koobface.H
Antiy-AVL	Worm/Win32.Koobface.gen
Avast	Win32:Malware-gen
Avast5	Win32:Malware-gen
AVG	Agent2.BCJJ
BitDefender	Gen:Trojan.Heur.LP.du4@aurZHco
CAT-QuickHeal	I-Worm.Koobface.gwb
Commtouch	W32/Koobface.JU
Comodo	UnclassifiedMalware
DrWeb	Win32.HLLW.Facebook.835
Emsisoft	Net-Worm.Win32.Koobface!IK
eTrust-Vet	Win32/Koobface.TB
F-Prot	W32/Koobface.JU
F-Secure	Gen:Trojan.Heur.LP.du4@aurZHco
GData	Gen:Trojan.Heur.LP.du4@aurZHco
Ikarus	Net-Worm.Win32.Koobface
Jiangmin	Worm/Koobface.bhx
K7AntiVirus	EmailWorm
Kaspersky	Net-Worm.Win32.Koobface.gwb
McAfee	W32/Koobface.worm.gen.ax!dll
McAfee-GW-Edition	W32/Koobface.worm.gen.ax!dll
Microsoft	Trojan:Win32/Bumat!rts
NOD32	Win32/Tinxy.CB
Norman	Koobface.HCB
Panda	Trj/CI.A
PCTools	Trojan.Gen
Rising	Trojan.Win32.Generic.1234F419
Sophos	Mal/KoobHeur-A
SUPERAntiSpyware	Trojan.Agent/Gen
Symantec	Trojan.Gen
TheHacker	W32/Koobface.gwb
TrendMicro	TROJ_GEN.USEHJ21
TrendMicro-HouseCall	TROJ_GEN.USEHJ21
VBA32	Worm.Koobface.gwb
VIPRE	Net-Worm.Win32.Koobface
VirusBuster	Worm.Koobface!pUahkR15xv0

zdl.dll removal instructions

The instructions below shows how to remove zdl.dll with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the zdl.dll file for removal, restart your computer and scan it again to verify that zdl.dll has been successfully removed. Here are the removal instructions in more detail:

1. Download and install FreeFixer: http://www.freefixer.com/download.html
2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.

   
3. When the scan is finished, locate zdl.dll in the scan result and tick the checkbox next to the zdl.dll file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate zdl.dll in the scan result.

   

   

   c:\WINDOWS\system32\zdl.dll

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the zdl.dll file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If zdl.dll still remains in the scan result, proceed with the next step. If zdl.dll is gone from the scan result you're done.
7. If zdl.dll still remains in the scan result, check its checkbox again in the scan result and click Fix.
8. Restart your computer.
9. Start FreeFixer and scan your computer again. Verify that zdl.dll no longer appear in the scan result.

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