PUA

PUP.Optional.Yandex information

Malware Removal

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

  • Sample contains Overlay data
  • Presents an Authenticode digital signature
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the embedded pe malware family
  • Powershell arguments were seen on a command line but powershell.exe was not called. Likely indictive of renamed/obfuscated powershell.exe or defining arguments in variables for later use
  • Anomalous binary characteristics
  • Yara detections observed in process dumps, payloads or dropped files

How to determine PUP.Optional.Yandex?


File Info:

name: 06515E860C5DCFB87013.mlw
path: /opt/CAPEv2/storage/binaries/c14f20c360b02a7f2a5b470031cbaa5d936a38ab4ace2110fe7f6c549aa698ad
crc32: D8BB2AFA
md5: 06515e860c5dcfb8701349ebda061a71
sha1: a9dfaca776faa23587a57d85fb29935e8d9290b6
sha256: c14f20c360b02a7f2a5b470031cbaa5d936a38ab4ace2110fe7f6c549aa698ad
sha512: ddc0bd1f5cc1dc965bc3fb763f33d701d71b1583d19a404c4d41de1fa74b7bc3fbc840cc6a36ee1f964fd2bafb7fcf93c26ffce0ab1244d2c272d1e4a611c08a
ssdeep: 196608:QlXb0bQILlRM8Rsey46aORWzwWrqufezvs+:eGly46awcwW2uGzU
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T191B6D101B742C0B1EAD101B116BE9BBA497D9E148B3189C793C43E7DD9322D2673BF69
sha3_384: ef67f9c31d19f46872600317322903ec423c3514cb50a505bd78413727fad89c0cd8afe3a2174202641ad1881eccc165
ep_bytes: e8f8060000e985feffffcccccccccccc
timestamp: 2018-11-21 08:50:25

Version Info:

CompanyName: Microsoft Corporation
FileDescription: Software Installer
FileVersion: 3.0.5419.0
InternalName: setup
LegalCopyright: Copyright (c) Microsoft Corporation.  All rights reserved.
LegalTrademarks1: Microsoft® is a registered trademark of Microsoft Corporation.
LegalTrademarks2: Windows® is a registered trademark of Microsoft Corporation.
OriginalFilename: setup.exe
ProductName: Windows Installer XML
ProductVersion: 3.0.5419.0
Translation: 0x0409 0x04e4

PUP.Optional.Yandex also known as:

BkavW32.Common.4A08B4BE
MalwarebytesPUP.Optional.Yandex
K7AntiVirusAdware ( 005996961 )
K7GWAdware ( 005996961 )
CrowdStrikewin/grayware_confidence_100% (D)
ESET-NOD32a variant of Win32/Yandex.L potentially unwanted
JiangminTrojan.Generic.gwsjz
WebrootW32.Adware.Gen
VaristW32/Trojan.GMJ.gen!Eldorado
GoogleDetected
DeepInstinctMALICIOUS
IkarusPUA.Yandex
MaxSecureTrojan.Malware.121218.susgen
FortinetRiskware/Yandex

How to remove PUP.Optional.Yandex?

PUP.Optional.Yandex 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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