About “Trojan:Win32/Ymacco.AB50” infection

The Trojan:Win32/Ymacco.AB50 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.

What Trojan:Win32/Ymacco.AB50 virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Presents an Authenticode digital signature
• Creates RWX memory
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• Unconventionial binary language: Chinese (Simplified)
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Attempts to modify proxy settings
• Harvests cookies for information gathering

How to determine Trojan:Win32/Ymacco.AB50?

File Info:
name: 2FF05C08D9F7E4029D72.mlwpath: /opt/CAPEv2/storage/binaries/505c9ddae9faa1fa45c46f9fde4d394cdc929ed4d1439de7e07829ce507e1e18crc32: 98864AE3md5: 2ff05c08d9f7e4029d72be0c992eb28bsha1: 73d9dad8c39318002881167858ad779a8f30b5e0sha256: 505c9ddae9faa1fa45c46f9fde4d394cdc929ed4d1439de7e07829ce507e1e18sha512: 6f326cf711d23d5ecd9c7923c81750455cfc4ddf5006e19e1c037e330caab9e3803285af4d3c2688935e71ccfbeff210d54a02d41410beb6c18e2df8a10c29e1ssdeep: 24576:K3Bixd/OVkOdxdQVtvvgyySC+2j1kRQbX5H:sVkkHQVtvvgfz3htBtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16F25F121FB81D172C59B10798EA6E33A6A3AFDD04B2642C3B7D43B6A4E313D15E35346sha3_384: 84e91fcdc1d012ceeec93317d1494838b18a9e1d6b14a763f31da2275e3f5b55b13ef8930f134bc5f021df572240c534ep_bytes: e898d50000e979feffffcccccccccccctimestamp: 2021-11-23 03:25:34
Version Info:
FileDescription: 微端主程序FileVersion: 3, 0, 0, 0LegalCopyright: Copyright (C) 2021-2023ProductName: 微端主程序ProductVersion: 3, 0, 0, 0Translation: 0x0804 0x04b0

Trojan:Win32/Ymacco.AB50 also known as:

How to remove Trojan:Win32/Ymacco.AB50?

• 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.