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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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.mlw
path: /opt/CAPEv2/storage/binaries/a8f8f255190f1345934d47f5a153bc00553ef4ca006591bfb9b9d79a6b3d4ed3
crc32: B74A885B
md5: 86501fbea66972320878352bbc1d3dc0
sha1: 590e2e7f6af138e5b3dda06d5ad251d0923feeeb
sha256: a8f8f255190f1345934d47f5a153bc00553ef4ca006591bfb9b9d79a6b3d4ed3
sha512: 35b2c68186aa2fbc1b29bdd8212f77188bc029171cadbd478386fccf1b61185f3ef00d3064f014d917abea6eaf160a2da943cb992d78963857886359b94ffb5d
ssdeep: 3072:qhO0aEkcIYm74VvX9Z3SMHhAQ6RsjCCKdHl+y69q6YZohA+:qU0ZK49t4Q8DCc+y69qhZkA
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1C0D3E00E969E512AF77DC73E2AA4201643F393D6A632DE0AFD7C184A0B4B30497D17E5
sha3_384: 89a180e21ae095391f0604fcbe3e099bb6f0fae2950583923305dbff211d8a24ce8e94a662957d77a748bcb17edc65bb
ep_bytes: ff250020400000000000000000000000
timestamp: 2019-09-23 14:15:22

Version Info:
Translation: 0x0000 0x04b0
FileDescription:  
FileVersion: 0.0.0.0
InternalName: iuLOYtbkgScEdhlxVCb.exe
LegalCopyright:  
OriginalFilename: iuLOYtbkgScEdhlxVCb.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

MSIL/Riskware.PSAttack.A also known as:

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.