Should I block it?

98%
Yes, 98% block recommendation.
Possible reasons:
Multiple malware detections
Performance resource utilization

Relationships

4wuninstall retrogamer.dll

MindSpark Toolbar Platform for Internet Explorer and Firefox by Mindspark Interactive Network (Signed)

Remove 4wuninstall retrogamer.dll
Version:   2, 3, 99, 50
MD5:   d33871bd42ee90de1ac26dfd7db14510
SHA1:   fd3b3edeeacf25656a4ceba58f3cb2b82bde833f
SHA256:   7cc316cb92459e7bf509ac091ce6c50305499be30d356a7bb61f5376654b64cd
Warning 3 antivirus scanners has detected malware.

Overview

4wuninstall retrogamer.dll is malware that is loaded as dynamic link library that runs in the context of a process. This will ad a run once registry key upon installation for all user profiles of the PC that will cause the file to be executed the first time any user logs in. The file is digitally signed by Mindspark Interactive Network which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Windows 7 Home Premium (6.1.7601.65536).

DetailsDetails

File name:4wuninstall retrogamer.dll
Publisher:MindSpark
Product name:MindSpark Toolbar Platform for Internet Explorer and Firefox
Description:MindSpark Toolbar Platform
Typical file path:C:\Program Files\4wuninstall retrogamer.dll
Original name:t8Bar.dll
File version:2, 3, 99, 50
Size:677.39 KB (693,648 bytes)
Certificate
Issued to:Mindspark Interactive Network
Authority (CA):VeriSign
Effective date:Sunday, May 30, 2010
Expiration date:Sunday, May 6, 2012
Digital DNA
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Startup files (all users) run once
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce'
  • 'Retrogamer_4wbar Uninstall' → rundll32 C:\Program Files2\4WUNIN~1.DLL,O -3

MalwareMalware detections

Based on 40+ industry antivirus scanners, 3 of them detected the following malware.
Antivirus engineEngine versionDetection
avast! 8.0.1489.320 Win32:FunWeb-K [PUP]
AVG 2014.0.3629 AdInstaller.FunWeb
VIPRE Antivirus 19214 MyWebSearch.J (v) (not malicious)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 100.00%
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