Malware

Downloader.Win32.OfferInstall removal guide

Malware Removal

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

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.
6-day free trial available.

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: 661A3201
md5: 25e4425caf8ce7bd4929bc5ea102968d
name: ______________________________________.exe
sha1: dd63553899b6c341c060f030834f8a1f7a729239
sha256: 50b7d9de0fd68c9aac9c94a83bbd290603d44308500ff86ef7e456053f7899cd
sha512: ed289914ac2cce07624ba58041fb6f759ef17e8421ea0445d2e0c27e445c9cfed5a70a33007286d1a03ad5cddf39f5d73135daab01f01dd151a1494234a4aac2
ssdeep: 49152:DtcLKhWHyPjkxTcGRPrU8YZCx+hkLefEx6ZmWyZgi19SvzMPjrwls6:RcLLHy4xTcqTU8Zx+hkLesAZiZgi/SLZ
type: 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:

McAfeeArtemis!25E4425CAF8C
SangforMalware
K7AntiVirusAdware ( 0053dc471 )
K7GWAdware ( 0053dc471 )
Invinceaheuristic
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/Appster.D potentially unwanted
TrendMicro-HouseCallTROJ_GEN.R01FH07B920
AvastWin32:UnwantedSig [PUP]
GDataNSIS.Application.Offerbox.A
Kasperskynot-a-virus:HEUR:Downloader.Win32.OfferInstall.gen
Endgamemalicious (high confidence)
EmsisoftApplication.Agent (A)
ComodoApplication.Win32.Appster.CB@7yjsvh
F-SecureHeuristic.HEUR/AGEN.1031226
DrWebProgram.Appset.14
McAfee-GW-EditionArtemis
SophosOfferB (PUA)
APEXMalicious
WebrootW32.Adware.Gen
AviraHEUR/AGEN.1031226
MicrosoftPUA:Win32/Offerbox
ZoneAlarmnot-a-virus:HEUR:Downloader.Win32.OfferInstall.gen
MalwarebytesPUP.Optional.AppsetOffer
RisingAdware.AppsetOffer!1.B831 (CLASSIC)
AVGFileRepMalware [PUP]
MaxSecurenot.a.virus.Downloader.OfferInstall.GEN

How to remove Downloader.Win32.OfferInstall?

Downloader.Win32.OfferInstall removal tool
  • 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.

About the author

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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