Categories: Risk

MSIL/Riskware.PSAttack.A removal guide

The MSIL/Riskware.PSAttack.A 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What MSIL/Riskware.PSAttack.A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Anomalous .NET characteristics
  • Collects and encrypts information about the computer likely to send to C2 server

How to determine MSIL/Riskware.PSAttack.A?


File Info:

name: 86501FBEA66972320878.mlwpath: /opt/CAPEv2/storage/binaries/a8f8f255190f1345934d47f5a153bc00553ef4ca006591bfb9b9d79a6b3d4ed3crc32: B74A885Bmd5: 86501fbea66972320878352bbc1d3dc0sha1: 590e2e7f6af138e5b3dda06d5ad251d0923feeebsha256: a8f8f255190f1345934d47f5a153bc00553ef4ca006591bfb9b9d79a6b3d4ed3sha512: 35b2c68186aa2fbc1b29bdd8212f77188bc029171cadbd478386fccf1b61185f3ef00d3064f014d917abea6eaf160a2da943cb992d78963857886359b94ffb5dssdeep: 3072:qhO0aEkcIYm74VvX9Z3SMHhAQ6RsjCCKdHl+y69q6YZohA+:qU0ZK49t4Q8DCc+y69qhZkAtype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T1C0D3E00E969E512AF77DC73E2AA4201643F393D6A632DE0AFD7C184A0B4B30497D17E5sha3_384: 89a180e21ae095391f0604fcbe3e099bb6f0fae2950583923305dbff211d8a24ce8e94a662957d77a748bcb17edc65bbep_bytes: ff250020400000000000000000000000timestamp: 2019-09-23 14:15:22

Version Info:

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

MSIL/Riskware.PSAttack.A also known as:

Lionic Trojan.Win32.Basic.4!c
MicroWorld-eScan Trojan.MSIL.Basic.2.Gen
FireEye Generic.mg.86501fbea6697232
McAfee GenericRXMF-ES!86501FBEA669
Cylance Unsafe
K7AntiVirus Riskware ( 00523f541 )
Alibaba RiskWare:MSIL/PSAttack.78fd3b61
K7GW Riskware ( 00523f541 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Riskware.PSAttack.A
APEX Malicious
BitDefender Trojan.MSIL.Basic.2.Gen
Avast Win32:Malware-gen
Ad-Aware Trojan.MSIL.Basic.2.Gen
Sophos Mal/Generic-R
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
Emsisoft Trojan.MSIL.Basic.2.Gen (B)
SentinelOne Static AI – Malicious PE
GData Trojan.MSIL.Basic.2.Gen
MAX malware (ai score=87)
Microsoft Backdoor:Win32/Bladabindi!ml
AhnLab-V3 Malware/Win32.RL_Generic.C3651871
ALYac Trojan.MSIL.Basic.2.Gen
TrendMicro-HouseCall TROJ_GEN.R002H06KJ21
Tencent Msil.Trojan.Msil.Dztg
Yandex Riskware.PSAttack!pCofgzbjSbI
Fortinet Riskware/PSAttack
BitDefenderTheta Gen:NN.ZemsilCO.34294.im0@aqmOEld
AVG Win32:Malware-gen
Cybereason malicious.ea6697

How to remove MSIL/Riskware.PSAttack.A?

  • 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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Paul Valéry

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