Categories: Trojan

Trojan.Win32.Agent.annso (file analysis)

The Trojan.Win32.Agent.annso 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.Win32.Agent.annso virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Created a process from a suspicious location
  • A process sent information about the computer to a remote location.
  • Attempts to identify installed AV products by installation directory
  • Attempts to detect ThreatTrack/GFI/CW Sandbox through the presence of a file
  • Attempts to modify proxy settings

How to determine Trojan.Win32.Agent.annso?


File Info:

name: 74A8D64AF978AE6ECAF3.mlwpath: /opt/CAPEv2/storage/binaries/541aa6df77e3f67a7aa7232a9b6913285dc4e9b47952574f046a564f31ca6c1dcrc32: 53A3C643md5: 74a8d64af978ae6ecaf36b59fac9ab8csha1: 0ab174a25752b9c018cf2c4057b9e0f8330db2c0sha256: 541aa6df77e3f67a7aa7232a9b6913285dc4e9b47952574f046a564f31ca6c1dsha512: 3efa798d569e32e737cdd64627fa193281442843385c50e2991b6b0201362ead71653289bf55af0d392bd20b4498f22c0798096b1fe5f6e123fb96f7feaa01eessdeep: 6144:LgHX5BGeyzxxWf26TUQ9NwWlIaL/j4CWzDS:LgHX58NxWPX9NwWqaDjZtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T141349E00B6E1C4B2D857667440ABABA60D7D36352F26E2D3F7601E649D603F2BE3435Esha3_384: 6a5d0a2fdb5273321ae3ad7fe1bb4b191e84cd8de18a0dad7f93c9b09fa621b2e5a05b17e2dd43e0eabcc2538e8521f2ep_bytes: e8e9780000e989feffff8bff558bec83timestamp: 2013-09-30 21:14:21

Version Info:

0: [No Data]

Trojan.Win32.Agent.annso also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.78934
CAT-QuickHeal Backdoor.WavipegPMF.S23031671
McAfee GenericRXQK-CB!74A8D64AF978
Cylance Unsafe
Zillya Trojan.Agent.Win32.2431407
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0048e2411 )
K7GW Trojan ( 0048e2411 )
Baidu Win32.Trojan.MewsSpy.a
Cyren W32/S-61bb439d!Eldorado
ESET-NOD32 a variant of Win32/MewsSpy.A
APEX Malicious
ClamAV Win.Malware.Qakbot-9860983-1
Kaspersky Trojan.Win32.Agent.annso
BitDefender Trojan.GenericKDZ.78934
NANO-Antivirus Trojan.Win32.MewsSpy.fqjudx
Avast Win32:Malware-gen
Rising Trojan.Generic@ML.89 (RDML:m3/R7jZvGPsgCEp7yylBow)
Ad-Aware Trojan.GenericKDZ.78934
Sophos ML/PE-A
Comodo TrojWare.Win32.Sisron.A@549hot
DrWeb Trojan.DownLoader43.22784
FireEye Generic.mg.74a8d64af978ae6e
Emsisoft Trojan.GenericKDZ.78934 (B)
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKDZ.78934
Jiangmin Trojan/Agent.ifva
Avira HEUR/AGEN.1115212
MAX malware (ai score=82)
Antiy-AVL Trojan/Generic.ASMalwS.2B9E81C
Microsoft Backdoor:Win32/Wavipeg.B
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Hupe.Gen
VBA32 Trojan.Agent
ALYac Trojan.GenericKDZ.78934
Malwarebytes Backdoor.Qbot
Tencent Trojan.Win32.BitCoinMiner.la
Ikarus Trojan.Agent4
Fortinet W32/MewsSpy.B!tr
BitDefenderTheta Gen:NN.ZexaF.34294.ouW@aafPyGoi
AVG Win32:Malware-gen
Cybereason malicious.af978a
Panda Trj/Genetic.gen
MaxSecure Trojan.Malware.300983.susgen

How to remove Trojan.Win32.Agent.annso?

  • 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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