Categories: Malware

Downloader.Win32.OfferInstall removal guide

The Downloader.Win32.OfferInstall 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.

Gridinsoft Anti-Malware

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 Downloader.Win32.OfferInstall virus can do?

  • Executable code extraction
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Attempts to identify installed AV products by registry key
  • Attempts to modify proxy settings

Related domains:

stat.offerbox.io

How to determine Downloader.Win32.OfferInstall?


File Info:

crc32: 661A3201md5: 25e4425caf8ce7bd4929bc5ea102968dname: ______________________________________.exesha1: dd63553899b6c341c060f030834f8a1f7a729239sha256: 50b7d9de0fd68c9aac9c94a83bbd290603d44308500ff86ef7e456053f7899cdsha512: ed289914ac2cce07624ba58041fb6f759ef17e8421ea0445d2e0c27e445c9cfed5a70a33007286d1a03ad5cddf39f5d73135daab01f01dd151a1494234a4aac2ssdeep: 49152:DtcLKhWHyPjkxTcGRPrU8YZCx+hkLefEx6ZmWyZgi19SvzMPjrwls6:RcLLHy4xTcqTU8Zx+hkLesAZiZgi/SLZtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: FileVersion: CompanyName: Offerbox Comments: This installation was built with Inno Setup.ProductName: x412x43e x431x43bx430x433x43e x43ax43ex440x43ex43bx435x432x441x442x432x430 ProductVersion: 0.0.0.1 FileDescription: x412x43e x431x43bx430x433x43e x43ax43ex440x43ex43bx435x432x441x442x432x430 Setup Translation: 0x0000 0x04b0

Downloader.Win32.OfferInstall also known as:

McAfee Artemis!25E4425CAF8C
Sangfor Malware
K7AntiVirus Adware ( 0053dc471 )
K7GW Adware ( 0053dc471 )
Invincea heuristic
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Appster.D potentially unwanted
TrendMicro-HouseCall TROJ_GEN.R01FH07B920
Avast Win32:UnwantedSig [PUP]
GData NSIS.Application.Offerbox.A
Kaspersky not-a-virus:HEUR:Downloader.Win32.OfferInstall.gen
Endgame malicious (high confidence)
Emsisoft Application.Agent (A)
Comodo Application.Win32.Appster.CB@7yjsvh
F-Secure Heuristic.HEUR/AGEN.1031226
DrWeb Program.Appset.14
McAfee-GW-Edition Artemis
Sophos OfferB (PUA)
APEX Malicious
Webroot W32.Adware.Gen
Avira HEUR/AGEN.1031226
Microsoft PUA:Win32/Offerbox
ZoneAlarm not-a-virus:HEUR:Downloader.Win32.OfferInstall.gen
Malwarebytes PUP.Optional.AppsetOffer
Rising Adware.AppsetOffer!1.B831 (CLASSIC)
AVG FileRepMalware [PUP]
MaxSecure not.a.virus.Downloader.OfferInstall.GEN

How to remove Downloader.Win32.OfferInstall?

  • 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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