Categories: PUA

PUP.Optional.QualityChecker.NSIS removal

The PUP.Optional.QualityChecker.NSIS is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What PUP.Optional.QualityChecker.NSIS virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Authenticode signature is invalid

How to determine PUP.Optional.QualityChecker.NSIS?


File Info:

name: C85E2B910F4E07C00733.mlwpath: /opt/CAPEv2/storage/binaries/c13d6e637cae3e15efb82a809b5317cb7e2f664b1b4e3204af6ce48a13dee4d5crc32: 8D731BB0md5: c85e2b910f4e07c0073368597f4f1332sha1: ddebbbe39f30c8d9a096c3e7432ac9154d1b5bd8sha256: c13d6e637cae3e15efb82a809b5317cb7e2f664b1b4e3204af6ce48a13dee4d5sha512: 59621b28dd06ec48c6a910c39b68a5fef2c7fe0ff0385a52e48f1febe711798420d171118712dc8615dbf707b85b5383a7628dd197fc3af680993571da75862assdeep: 3072:IgXdZt9P6D3XJL45TCGO9o4sVRDWBneiEQLjC27KYSAsO9o4sB:Ie34RITksRD6jrTckatype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F2E3010376C5E9B7EDD7223057B7E7BDE7FA960C160223438B692F6F2E014809C1A195sha3_384: e4fed9ff22011c13a35b922b55b9772a75be9855d2d6466aa1abb381288d1c9f8c78b68a4286122331dabee95f7fa276ep_bytes: 81ec8001000053555633db57895c2418timestamp: 2009-12-05 22:50:52

Version Info:

0: [No Data]

PUP.Optional.QualityChecker.NSIS also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (moderate confidence)
FireEye Generic.mg.c85e2b910f4e07c0
McAfee Artemis!C85E2B910F4E
Zillya Adware.Vopak.Win32.4019
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus Proxy-Program ( 0055e3ff1 )
K7GW Proxy-Program ( 0055e3ff1 )
CrowdStrike win/grayware_confidence_90% (W)
VirIT Trojan.Win32.DownLoader18.CKSP
ESET-NOD32 multiple detections
APEX Malicious
NANO-Antivirus Trojan.Win32.TrjGen.eefncx
Avast Win32:Malware-gen
Comodo Malware@#ijmy5gat4w2n
DrWeb Trojan.DownLoader18.42395
TrendMicro TROJ_GEN.R002C0DEQ22
McAfee-GW-Edition BehavesLike.Win32.Dropper.cc
Trapmine malicious.high.ml.score
Sophos Generic ML PUA (PUA)
GData Win32.Trojan.Agent.JR9DXG
Google Detected
Antiy-AVL Trojan/Generic.ASMalwS.3C54
Microsoft Program:Win32/Wacapew.C!ml
BitDefenderTheta Gen:NN.ZexaF.34646.fuW@aSPTyuci
VBA32 Trojan.Skeeyah
Malwarebytes PUP.Optional.QualityChecker.NSIS
TrendMicro-HouseCall TROJ_GEN.R002C0DEQ22
Ikarus Trojan-Proxy.Agent
Fortinet W32/Agent.NZV!tr
AVG Win32:Malware-gen
Cybereason malicious.39f30c

How to remove PUP.Optional.QualityChecker.NSIS?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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Paul Valéry

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