Categories: PUA

PUP.Optional.CRXDrop information

The PUP.Optional.CRXDrop 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What PUP.Optional.CRXDrop virus can do?

  • Unconventionial binary language: Hebrew
  • Unconventionial language used in binary resources: Hebrew
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine PUP.Optional.CRXDrop?


File Info:

crc32: 827352F6md5: 20a65f6982221252c26662fec22d19b5name: 20A65F6982221252C26662FEC22D19B5.mlwsha1: 8c9d03b6b88e09b69a859b6cad5849ae4e2f73edsha256: a4406ca020f7d5da68b31e4efd279c16c207976c87595e193a04d394f0408a11sha512: 66946b57cfbc5ddba84e25f164f1f0172b2915124edb0e5451010556f765afd48520512d5ae79cba837e9566f717659e4f05bd0cd46ea8bb2ad5e7a2684ecb79ssdeep: 6144:hyAbUQSeDUvXlzAmA9yoXz3XsS27Jf0ljz1B:jSxlzAmAQ+znsSOyjz1Btype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2013InternalName: crxdrop.dllFileVersion: 1.0.0.1CompanyName: SetupProductName: TODO: ProductVersion: 1.0.0.1FileDescription: SetupOriginalFilename: crxdrop.dllTranslation: 0x040d 0x04b0

PUP.Optional.CRXDrop also known as:

MicroWorld-eScan Gen:Variant.Application.Dropper.111
FireEye Generic.mg.20a65f6982221252
CAT-QuickHeal Adware.MegaSearch.A5
Qihoo-360 HEUR/QVM10.1.540F.Malware.Gen
McAfee Artemis!20A65F698222
Cylance Unsafe
Sangfor Malware
K7AntiVirus Unwanted-Program ( 0040f9c71 )
K7GW Unwanted-Program ( 0040f9c71 )
Cybereason malicious.982221
Invincea MultiPlug (PUA)
Cyren W32/A-bd4fc15d!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
ClamAV Win.Adware.Multiplug-59309
Kaspersky not-a-virus:AdWare.Win32.MegaSearch.at
BitDefender Gen:Variant.Application.Dropper.111
NANO-Antivirus Trojan.Win32.MegaSearch.evttwh
Tencent Malware.Win32.Gencirc.10b3f319
Ad-Aware Gen:Variant.Application.Dropper.111
Emsisoft Gen:Variant.Application.Dropper.111 (B)
DrWeb Trojan.Crossrider.1635
McAfee-GW-Edition BehavesLike.Win32.PUP.gh
Sophos MultiPlug (PUA)
SentinelOne Static AI – Malicious PE
GData Win32.Adware.Megasearch.C
Webroot W32.Adware.Gen
Avira ADWARE/MultiPlug.Gen
Antiy-AVL GrayWare[AdWare]/Win32.MegaSearch.at
Kingsoft Win32.Troj.MegaSearch.at.(kcloud)
Gridinsoft Adware.Win32.MultiPlug.vl!n
Arcabit Trojan.Application.Dropper.111
ZoneAlarm not-a-virus:AdWare.Win32.MegaSearch.at
Microsoft BrowserModifier:Win32/Diplugem
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Preloader.R92394
Acronis suspicious
BitDefenderTheta AI:Packer.08594FCA1F
MAX malware (ai score=75)
Malwarebytes PUP.Optional.CRXDrop
ESET-NOD32 a variant of Win32/Adware.MultiPlug.K.gen
Rising AdWare.Win32.MultiPlug.m (CLASSIC)
Yandex Trojan.GenAsa!N/OucLdqj9M
Fortinet Adware/Megasearch
AVG Win32:Adware-DGO [PUP]
Avast Win32:Adware-DGO [PUP]
CrowdStrike win/malicious_confidence_80% (D)

How to remove PUP.Optional.CRXDrop?

  • 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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