Categories: Malware

Win32/PDFChief.A potentially unwanted removal instruction

The Win32/PDFChief.A potentially unwanted 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 Win32/PDFChief.A potentially unwanted virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing

How to determine Win32/PDFChief.A potentially unwanted?


File Info:

name: 37A7ECAF2E53C2CCFB83.mlwpath: /opt/CAPEv2/storage/binaries/18a738994a246e3b1b87adf96c9aae41e25ad27db547e6cd75140c75dee6f087crc32: 832C0EF3md5: 37a7ecaf2e53c2ccfb83240c2b94090asha1: 884fa844c459b9f12adf8dbadc269b3749c76986sha256: 18a738994a246e3b1b87adf96c9aae41e25ad27db547e6cd75140c75dee6f087sha512: 4d5bff0b4ed6a31a83de84ee44e4149f63b3ee122ca7645840897cdbac0fca54c2b09dce8565fe116cd2996fa20eb175a1980b853f672ee96d1b086b08eda976ssdeep: 98304:xEu5GP54Va01iZhMsL1NjeZ3arpkYKaxYEGDg+8bEgqjEO:u54VaCFgNjeRVYF0EvuJtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15966123FB268653ED4AA4B3205738360597BBB61A81F8D1F47F0495CCF265601E3FA26sha3_384: b44518e6978ae6d6197517e0698b63e9271acbc28014eab7fa5296d1da8b12b43d9d70b0e138639121635176618fc389ep_bytes: 558bec83c4a453565733c08945c48945timestamp: 2020-05-21 05:56:23

Version Info:

Comments: This installation was built with Inno Setup.CompanyName: PDFAura, Inc. FileDescription: Free PDF to Word Excel JPG TIFF HTML Converter Setup FileVersion: LegalCopyright: OriginalFileName: ProductName: Free PDF to Word Excel JPG TIFF HTML Converter ProductVersion: Translation: 0x0000 0x04b0

Win32/PDFChief.A potentially unwanted also known as:

Lionic Trojan.Win32.Relevant.4!c
DrWeb Adware.Relevant.192
MicroWorld-eScan Trojan.GenericKD.37682989
FireEye Trojan.GenericKD.37682989
McAfee Artemis!37A7ECAF2E53
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Adware ( 0053b46b1 )
Alibaba AdWare:Win32/BundleLoader.98633828
K7GW Adware ( 0053b46b1 )
CrowdStrike win/grayware_confidence_60% (W)
Cyren W32/Trojan.RHNR-6028
ESET-NOD32 a variant of Win32/PDFChief.A potentially unwanted
Paloalto generic.ml
BitDefender Trojan.GenericKD.37682989
NANO-Antivirus Riskware.Win32.Relevant.imvxvm
Avast Win32:AdwareSig [Adw]
Rising Adware.RelevantKnowledge!1.CC10 (CLASSIC:bWQ1Osrm2vzErfHyiXI26o/N0oQ)
Emsisoft Trojan.GenericKD.37682989 (B)
McAfee-GW-Edition Artemis!PUP
Sophos Generic PUA II (PUA)
Avira PUA/ChrisPC.AI
Microsoft Trojan:Win32/Skeeyah
ViRobot Adware.Relevant.6748608
GData Trojan.GenericKD.37682989
VBA32 Adware.Relevant
ALYac Trojan.GenericKD.37682989
MAX malware (ai score=82)
MaxSecure Trojan.Malware.119094233.susgen
Fortinet Adware/Relevant
AVG Win32:AdwareSig [Adw]

How to remove Win32/PDFChief.A potentially unwanted?

  • 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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