PUA

PUP.Optional.OfferCore malicious file

Malware Removal

The PUP.Optional.OfferCore 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 PUP.Optional.OfferCore virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Creates a hidden or system file
  • Collects information to fingerprint the system

Related domains:

d1qflri44bfawo.cloudfront.net

How to determine PUP.Optional.OfferCore?


File Info:

crc32: 50FAA7EF
md5: d171deae71972bbfb37deb1e1fe85ec8
name: D171DEAE71972BBFB37DEB1E1FE85EC8.mlw
sha1: ae0a1e736e08e68b382c15835351cfe7fca787d2
sha256: 711f93ee8237bcae8b32f4078d3ba356ad91d2306922b690c85a9266d0602512
sha512: bc951e30b9e8a60387c8db742f39a6d00bcf50c236921f34453034fa838933168adefc423e5f5c2fe5fecaf7dd33d9d7774098d642cb8ab2411f16aa2c963db9
ssdeep: 49152:cqe3f64LeQOP6QkO6U6HP6Rbt+SV9sDWbWzSlx:pSiQVOP6Qk/U6iRbt7VaDiWz8x
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion: 1.5.3
CompanyName:
Comments: This installation was built with Inno Setup.
ProductName: Lakon Software
ProductVersion: 1.5.3
FileDescription: Lakon Software Download Manager
OriginalFileName:
Translation: 0x0000 0x04b0

PUP.Optional.OfferCore also known as:

K7AntiVirusAdware ( 00568e221 )
DrWebAdware.Downware.19949
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
K7GWAdware ( 00568e221 )
CyrenW32/Trojan.ZPUI-7745
SymantecTrojan.Gen.2
ESET-NOD32Win32/OfferCore.A potentially unwanted
AvastFileRepMalware
SophosGeneric PUA KO (PUA)
McAfee-GW-EditionArtemis
EmsisoftApplication.Generic (A)
WebrootW32.Adware.Gen
MicrosoftPUA:Win32/Puamson.A!ml
McAfeeArtemis!D171DEAE7197
VBA32Adware.Downware
MalwarebytesPUP.Optional.OfferCore
FortinetAdware/OfferCore
AVGFileRepMalware
Paloaltogeneric.ml

How to remove PUP.Optional.OfferCore?

PUP.Optional.OfferCore 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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