How to remove “Win32/RiskWare.Downloader.A”?

The Win32/RiskWare.Downloader.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 Win32/RiskWare.Downloader.A virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• CAPE extracted potentially suspicious content
• A HTTP/S link was seen in a script or command line
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• A scripting utility was executed
• Collects and encrypts information about the computer likely to send to C2 server
• Attempts to execute suspicious powershell command arguments

How to determine Win32/RiskWare.Downloader.A?

File Info:
name: E2796197AACBEBB1BCB9.mlw
path: /opt/CAPEv2/storage/binaries/aa176fd9a8f013fafd35983e18a58ae908d55b6cd54543a142248e98aeebe815
crc32: B9FE96A8
md5: e2796197aacbebb1bcb9733e8fd688bd
sha1: 52ba19f02ae1f2a9295c69449221d700aed04adb
sha256: aa176fd9a8f013fafd35983e18a58ae908d55b6cd54543a142248e98aeebe815
sha512: 1f44e57d9e8f0b70cc7e744c2b66813732963b40229ee492d89360b29eefaa937be74df66beb774caf6708e7651f3db2e6ae4072f3e9e433e3f920089393a695
ssdeep: 24576:ZHeAYCYUpJjl/MgWSYu1A8hFLU3nFoX3USLFRw4bCl3RuQ55313+:ZHJLLU3nFoXkShawCl38
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T174B50A03AA8B0D75DDC27BB461DB533A9774FE30CA2A9B7BF609C53149532C46C2A742
sha3_384: 1e490b261881fdc969a00fa4a70620d16a94f8584f3581902a01b47ed03d43a0211d1b1c479a98423a1ea7230aeb7bbf
ep_bytes: 83ec0cc70598534e0001000000e8be9d
timestamp: 2018-11-08 10:55:13

Version Info:
0: [No Data]

Win32/RiskWare.Downloader.A also known as:

How to remove Win32/RiskWare.Downloader.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.