Categories: Malware

Win32/Agent.YQO information

The Win32/Agent.YQO 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/Agent.YQO virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Creates RWX memory
  • Anomalous file deletion behavior detected (10+)
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Win32/Agent.YQO?


File Info:

name: 270DECA6EF1F200E47A0.mlwpath: /opt/CAPEv2/storage/binaries/28f8eb994ddeb6ef6e7b345de9ed0751667aec54d6a5113133901e27b32997facrc32: B3258D6Amd5: 270deca6ef1f200e47a0064290c561fcsha1: d65c06e6d58124c4d3e12fcb1f5e5cbd0b02fe18sha256: 28f8eb994ddeb6ef6e7b345de9ed0751667aec54d6a5113133901e27b32997fasha512: bd52af3513b2813c6f81ffd6d02e805acc99cfe18409b93ac10999a41a8877292e022c6b95f5ede049b47f0a0a6af351f1c16d8ba8572da447a67bca8ce92c78ssdeep: 24576:+UmIKfSLnHQaNI8BxXC2lvJu1lCMxLVQv1FO6hFpA5GHA5GDMjufOh4tyCHMnbdx:HmIKfYfIE8CMxsX8y8MrMnbdxtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T188655BC6D984E1A9EC4930F2101F566A20A65CB613A251D3E7703E2968F07DBDD3BB1Fsha3_384: e73734d697bd49a7e7dddbb9a78215fed1796068d033c5e8c3d239634b01b7c93cab45c27471052bfcebd21cde74489eep_bytes: e8af300000e989feffff8bff558bec51timestamp: 2016-01-23 14:07:10

Version Info:

0: [No Data]

Win32/Agent.YQO also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Trojan.Brresmon.Gen.1
FireEye Generic.mg.270deca6ef1f200e
Cylance Unsafe
Zillya Trojan.Brresmon.Win32.5
Sangfor Trojan.Win32.Save.a
K7AntiVirus Adware ( 00539ed31 )
Alibaba AdWare:Win32/Brresmon.7a2db1a1
K7GW Adware ( 005069331 )
Cybereason malicious.6ef1f2
BitDefenderTheta Gen:NN.ZexaE.34084.BvW@aWMHa8ei
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Agent.YQO
APEX Malicious
Paloalto generic.ml
Kaspersky not-a-virus:AdWare.Win32.Agent.xxdeug
BitDefender Gen:Trojan.Brresmon.Gen.1
NANO-Antivirus Riskware.Win32.Agent.elstjp
Avast Win32:Dropper-gen [Drp]
Tencent Malware.Win32.Gencirc.1149db6c
Ad-Aware Gen:Trojan.Brresmon.Gen.1
Sophos Generic ML PUA (PUA)
DrWeb Trojan.DownLoader23.12329
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.th
Emsisoft Gen:Trojan.Brresmon.Gen.1 (B)
Ikarus PUA.Zdengo
Jiangmin Adware.Agent.yhj
Webroot W32.Trojan.GenKD
Avira HEUR/AGEN.1121610
Antiy-AVL Trojan/Generic.ASSuf.21B9F
Kingsoft Win32.Troj.Agent.(kcloud)
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Brresmon.Gen.1
GData Gen:Trojan.Brresmon.Gen.1
Cynet Malicious (score: 99)
McAfee GenericRXBN-IX!270DECA6EF1F
MAX malware (ai score=100)
VBA32 AdWare.Agent
Malwarebytes Adware.OtherSearch
Rising Trojan.Generic@ML.91 (RDML:GFKaDz9sih+tl+awCXrZYQ)
Yandex Trojan.DownLoader!qaszz7BbSOo
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet Adware/Agent
AVG Win32:Dropper-gen [Drp]
Panda Trj/GdSda.A

How to remove Win32/Agent.YQO?

  • 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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