Categories: Trojan

Trojan.Win32.Chapak.aosf removal guide

The Trojan.Win32.Chapak.aosf 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.Chapak.aosf virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (9 unique times)
  • A process created a hidden window
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Faeroese
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Collects information to fingerprint the system

Related domains:

z.whorecord.xyz
cq46755.tmweb.ru
vh126.timeweb.ru
2no.co
a.tomx.xyz
apps.identrust.com
crl.identrust.com
x1.c.lencr.org
r3.o.lencr.org

How to determine Trojan.Win32.Chapak.aosf?


File Info:

crc32: 3DCF6C3Emd5: a0c82edd0b8401ba8a6607c302a92db3name: A0C82EDD0B8401BA8A6607C302A92DB3.mlwsha1: a99f6f4a2f0679272325e001d0a299501508dd03sha256: 31ee669bce37cca7aeeae5ae192838c177630df528b2aa2063f4d8392305f0e6sha512: 1de49b7b6b7c03d179369ed034177b16f94660c3e966638a9dd0cdcdd01b12f2e79c6533b19ac30692d8bd88b1e95c38ad6ad09c64217e1fa7d74b99310f3733ssdeep: 6144:y0M8OsgzYt2pKKHXAOj78zo0YIYVu+shwZM8GFQGIvvGJE75z:y03Bn+HXJ0YIqEhwZbGFvIxlztype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersion: 8.4.3.12

Trojan.Win32.Chapak.aosf also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053d5971 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan ( 0053d5971 )
Cybereason malicious.a2f067
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GJUD
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan.Win32.Chapak.aosf
NANO-Antivirus Trojan.Win32.Chapak.fhofgc
Tencent Win32.Trojan.Chapak.Lmaq
Comodo TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3
F-Secure Heuristic.HEUR/AGEN.1103366
BitDefenderTheta Gen:NN.ZexaF.34142.wy0@aWNy@OcG
FireEye Generic.mg.a0c82edd0b8401ba
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.PSW.Coins.hu
Avira HEUR/AGEN.1103366
Antiy-AVL Trojan/Generic.ASMalwS.27B61C7
Microsoft Trojan:Win32/Occamy.C
AhnLab-V3 Win-Trojan/Gandcrab07.Exp
Acronis suspicious
McAfee Packed-FKN!A0C82EDD0B84
MAX malware (ai score=100)
VBA32 TrojanPSW.Coins
Panda Trj/GdSda.A
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
Yandex Trojan.GenAsa!UPNmkLxTbVE
Ikarus Trojan-Ransom.GandCrab
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GJUV!tr.ransom
AVG FileRepMalware
Paloalto generic.ml

How to remove Trojan.Win32.Chapak.aosf?

  • 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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