Program:Win32/Ymacco.AA50 (file analysis)

The Program:Win32/Ymacco.AA50 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 Program:Win32/Ymacco.AA50 virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Injection with CreateRemoteThread in a remote process
• Attempts to connect to a dead IP:Port (3 unique times)
• Creates RWX memory
• At least one IP Address, Domain, or File Name was found in a crypto call
• A process created a hidden window
• Performs some HTTP requests
• Unconventionial language used in binary resources: Chinese (Simplified)
• Uses Windows utilities for basic functionality
• Executed a process and injected code into it, probably while unpacking
• Installs itself for autorun at Windows startup
• Anomalous binary characteristics

How to determine Program:Win32/Ymacco.AA50?

File Info:
crc32: AA4E9A82
md5: e9a4b30e93db27ac4a8896ba5652bd1a
name: E9A4B30E93DB27AC4A8896BA5652BD1A.mlw
sha1: 02d3553fc78f47d47a6890ede854513d6bfe02da
sha256: 50a4b858d247f9d137240ec801ddd2186d08a365bda521ce2d846252fb2120d6
sha512: 3e2038ee20fc009c967a3600930bcd7f2a3ee9ec4fe7fb119d389b0526754a26a13ee51c67dfae80cfaca45775b0f1fa0759a751590ed1c760fa4a305f75537d
ssdeep: 6144:XQ+9DR9L2Y6fGKUjts0/UCLk3+gA5sE5uHdc2:AkvIfnMs596S9c2
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright (C) 2010
InternalName: Acala Software
FileVersion: 2, 0, 0, 1
CompanyName: Acala Software
ProductName: Acala Encoder Proxy
ProductVersion: 2.0.0.1
FileDescription: Acala Encoder Proxy
OriginalFilename: EncoderProxy.exe
Translation: 0x0409 0x04e4

Program:Win32/Ymacco.AA50 also known as:

How to remove Program:Win32/Ymacco.AA50?

• 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.