Categories: Backdoor

Backdoor:Win32/Turla.AC information

The Backdoor:Win32/Turla.AC 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 Backdoor:Win32/Turla.AC virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • .NET file is packed/obfuscated with Confuser
  • Authenticode signature is invalid
  • Anomalous .NET characteristics
  • Collects and encrypts information about the computer likely to send to C2 server

How to determine Backdoor:Win32/Turla.AC?


File Info:

name: A029007534B95C2BD8E2.mlwpath: /opt/CAPEv2/storage/binaries/8490daab736aa638b500b27c962a8250bbb8615ae1c68ef77494875ac9d2ada2crc32: 94F7296Cmd5: a029007534b95c2bd8e29e80f97f292dsha1: 71458cf1ff75e90d555fdd60461366fbc51d4b6dsha256: 8490daab736aa638b500b27c962a8250bbb8615ae1c68ef77494875ac9d2ada2sha512: 5976821a2b25ae8b30c75e41e227ab7b16c28ceb6aef74c43b96b9ac8e74dd418ae312c4aa23c8956a7ce6039e5ebd7a8301e731128ac994ea2edd1790bbb6a4ssdeep: 6144:NHWweNhhFDSieKocE6tSY1hOKUWocOo1CEJv:NH+BYXcE6tRzOKUWocOo1CEhtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18F344B083B949A4FC65F8F76E9905A10A370E96B570BE74774C327FC1D4E3AA8E015E2sha3_384: d9fab50b0ef2e3b09bb7bb84e49fac6dc227a41491595e0d7b85a2612d0cae8917915dc8aa065f5e4613c702d506fceeep_bytes: ff250020400000000000000000000000timestamp: 2016-04-21 11:15:12

Version Info:

Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: Agent.exeLegalCopyright: OriginalFilename: Agent.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

Backdoor:Win32/Turla.AC also known as:

Lionic Trojan.Win32.Generic.4!c
DrWeb Trojan.Siggen7.21595
MicroWorld-eScan Gen:Variant.Razy.752052
FireEye Generic.mg.a029007534b95c2b
McAfee RDN/Generic PWS.y
Cylance Unsafe
Zillya Dropper.Injector.Win32.83622
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Spyware ( 0055e3ec1 )
Alibaba Backdoor:MSIL/Turla.ba341ef2
K7GW Spyware ( 0055e3ec1 )
Cybereason malicious.534b95
BitDefenderTheta Gen:NN.ZemsilF.34182.om1@a0lYOKm
Cyren W32/A-17b8a5e1!Eldorado
Symantec Trojan.Cassowar
ESET-NOD32 a variant of MSIL/Spy.Agent.AYV
TrendMicro-HouseCall TROJ_FRS.0NA103E820
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Razy.752052
NANO-Antivirus Trojan.Win32.Skeeyah.ehgnbj
Avast Win32:Trojan-gen
Tencent Malware.Win32.Gencirc.114b578f
Emsisoft Gen:Variant.Razy.752052 (B)
Comodo Malware@#10zql3cansm8z
F-Secure Heuristic.HEUR/AGEN.1133172
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_FRS.0NA103E820
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
SentinelOne Static AI – Malicious PE
Sophos Generic ML PUA (PUA)
Ikarus Trojan-Spy.MSIL.Agent
Jiangmin TrojanDropper.Injector.bkim
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1133172
Antiy-AVL Trojan[Dropper]/Win32.Injector
Kingsoft Win32.Troj.Agent.uu.(kcloud)
Microsoft Backdoor:Win32/Turla.AC
ZoneAlarm HEUR:Trojan.MSIL.Tpyn.gen
GData Gen:Variant.Razy.752052
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.MSILKrypt.R354556
ALYac Backdoor.MSIL.Kazuar
Malwarebytes Generic.Malware/Suspicious
APEX Malicious
Yandex Trojan.DR.Injector!XfPae1qu9P8
Fortinet MSIL/Agent.ARE!tr.spy
AVG Win32:Trojan-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Backdoor:Win32/Turla.AC?

  • 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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