Categories: Trojan

Trojan-Downloader.Win32.Agent.xxyack removal guide

The Trojan-Downloader.Win32.Agent.xxyack 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 Trojan-Downloader.Win32.Agent.xxyack virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine Trojan-Downloader.Win32.Agent.xxyack?


File Info:

name: C956D8085789800D3725.mlwpath: /opt/CAPEv2/storage/binaries/230d8f0c6c5c64c63f4ad12c4a809368fc0d03e6cad9470ef4013ec4c4fc3894crc32: E1E8D359md5: c956d8085789800d37253e19cb1714b8sha1: dd672f7da16390b8f3264e307efd592604744475sha256: 230d8f0c6c5c64c63f4ad12c4a809368fc0d03e6cad9470ef4013ec4c4fc3894sha512: 4ec98bc454079b0b5547513e2ba55b88f5e1b336f85f368eb7a63e1179f1549b86cde240acd60480be8c832bf5e370751a9109a244ac30d6552cba50a744500fssdeep: 6144:MrojxFSkhSjo6KCD4SLNdcrvUL11Nup7RGv7qwoSavQ9G/JRt7g0g:vjxFjO5KC1Qcc7G2ZtiGxYtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F4640202E6D588B2E170DEB41E2DA0049A377E262C74602D37DC5ECD8F376E19A5B793sha3_384: 03d9c333c84dc0597be7e003a80d8d22442969724e24649bfe15e1105123d6858a22cd5daa3886dadf961e9881363a92ep_bytes: 558bec83c4c453565733c08945f08945timestamp: 1992-06-19 22:22:17

Version Info:

Comments: This installation was built with Inno Setup.CompanyName: EasyLook FileDescription: EasyLook Setup FileVersion: LegalCopyright: ProductName: EasyLook ProductVersion: 1.0.0.3 Translation: 0x0000 0x04b0

Trojan-Downloader.Win32.Agent.xxyack also known as:

Lionic Trojan.Win32.Agent.a!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Cerbu.94450
FireEye Gen:Variant.Cerbu.94450
ALYac Gen:Variant.Cerbu.94450
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan ( 00534de11 )
BitDefender Gen:Variant.Cerbu.94450
K7GW Trojan ( 00534de11 )
CrowdStrike win/malicious_confidence_80% (W)
Cyren W32/Delf.IB.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.DZZ
TrendMicro-HouseCall TROJ_GEN.R002C0PKM21
Paloalto generic.ml
Kaspersky Trojan-Downloader.Win32.Agent.xxyack
NANO-Antivirus Trojan.Win32.Dwn.fcsgky
Tencent Win32.Trojan-downloader.Agent.Syrm
Ad-Aware Gen:Variant.Cerbu.94450
Sophos Mal/Generic-S
DrWeb Trojan.DownLoader26.47966
Zillya Downloader.Agent.Win32.352673
McAfee-GW-Edition Downloader-FBSI!C956D8085789
Emsisoft Gen:Variant.Cerbu.94450 (B)
Ikarus Trojan.Downloader.Inno.Agent
Avira HEUR/AGEN.1124690
Microsoft Trojan:Win32/Wacatac.B!ml
APEX Malicious
GData Gen:Variant.Cerbu.94450
Cynet Malicious (score: 99)
AhnLab-V3 Malware/Gen.Generic.C2544116
McAfee Downloader-FBSI!C956D8085789
MAX malware (ai score=83)
Malwarebytes Trojan.Downloader
SentinelOne Static AI – Suspicious PE
Fortinet W32/Agent.EBX!tr.dldr
AVG Win32:Malware-gen
Avast Win32:Malware-gen

How to remove Trojan-Downloader.Win32.Agent.xxyack?

  • 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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