Sunday 31 January 2010

"Antimalware Defender" Scareware Disguised as a Windows Critical Security Update

Antimalware Defender is another scareware application. It pops up dialog boxes falsely claiming it is part of a Windows Critical Update:





Antimalware Defender reports lots of malware on a clean system:



You can use FreeFixer to remove AntiMalware Defender. I've pasted a FreeFixer log below which will help you identify the malware items:

FreeFixer v0.53 log
http://www.freefixer.com/
Operating system: Windows XP Service Pack 2
Log dated 2010-01-31 15:04


Browser Helper Objects

{fa217b17-bd53-4441-bc32-3de578a2826a}, {fa217b17-bd53-4441-bc32-3de578a2826a}, C:\WINDOWS\system32\fa217b17-bd53-4445-bc32-3de578a2826a_6.avi

Registry Startups (4 whitelisted)

HKLM\..\Run, fa217b17-bd53-4445-bc32-3de578a2826a_6 = "C:\WINDOWS\system32\rundll32.exe" "C:\WINDOWS\system32\fa217b17-bd53-4445-bc32-3de578a2826a_6.avi", start minimized

HKCU\..\Run, fa217b17-bd53-4445-bc32-3de578a2826a_6 = "C:\WINDOWS\system32\rundll32.exe" "C:\Documents and Settings\roger\Application Data\fa217b17-bd53-4445-bc32-3de578a2826a_6.avi", start minimized

Processes (23 whitelisted)

C:\Program Files\FreeFixer\freefixer.exe

Explorer.exe Modules (109 whitelisted)

C:\WINDOWS\system32\MSVCR71.dll

Rundll Modules (71 whitelisted)

C:\DOCUME~1\roger\LOCALS~1\Temp\wrk90.tmp

Recently created/modified files

2 minutes, c:\Documents and Settings\roger\Local Settings\Temp\wrk90.tmp

2 minutes, c:\Program Files\Antimalware Defender\Antimalware Defender.dll

2 minutes, c:\Documents and Settings\roger\Local Settings\Application Data\fa217b17-bd53-4445-bc32-3de578a2826a_6.avi

2 minutes, c:\Documents and Settings\roger\Application Data\fa217b17-bd53-4445-bc32-3de578a2826a_6.avi

2 minutes, c:\Documents and Settings\All Users\Application Data\fa217b17-bd53-4445-bc32-3de578a2826a_6.avi

2 minutes, c:\WINDOWS\system32\fa217b17-bd53-4445-bc32-3de578a2826a_6.avi

2 minutes, c:\Documents and Settings\roger\Local Settings\Temporary Internet Files\Content.IE5\6CSRVCZ7\s[2].bin


Did this help you remove AntiMalware Defender?

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