About “Trojan:Win32/Ymacco.AAC2” infection

The Trojan:Win32/Ymacco.AAC2 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 Trojan:Win32/Ymacco.AAC2 virus can do?

• Executable code extraction
• Creates RWX memory
• A process attempted to delay the analysis task.
• Attempts to connect to a dead IP:Port (8 unique times)
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• The binary likely contains encrypted or compressed data.
• Uses Windows utilities for basic functionality
• Tries to suspend Cuckoo threads to prevent logging of malicious activity
• Checks for the presence of known windows from debuggers and forensic tools
• Tries to unhook or modify Windows functions monitored by Cuckoo
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Steals private information from local Internet browsers
• Behavior consistent with a dropper attempting to download the next stage.
• Network activity contains more than one unique useragent.
• Exhibits possible ransomware file modification behavior
• Collects information about installed applications
• Attempts to identify installed AV products by installation directory
• Checks for the presence of known devices from debuggers and forensic tools
• Checks the CPU name from registry, possibly for anti-virtualization
• Attempts to access Bitcoin/ALTCoin wallets
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Trojan:Win32/Ymacco.AAC2?

File Info:
crc32: D01DE641
md5: c2c3728011504054471bfb4ea6293163
name: tmp86rr77m8
sha1: 7ecb58aa7555b3a738e2e171609f5992777b314a
sha256: c2a307a15f392b72cc51b12a1061c6ad7a2e76843754ee3d2e7b8ba0bc17e540
sha512: 61c7c1410466a800a824b020494ee06d307fc5ffc6cc8305228c31f3728eadd35f7770e1c11e165ddba771faaa6580c67e84148d9131d635e7be77fbe7792935
ssdeep: 196608:HAk9Vw1UIJIUUsy5Rm7ozAk3V7RPnPfcVF+1k5+yxbVxBE470ExOtBv:HACVj0IoYmi3fKQ1C+EbVs4jx4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: 
InternalName: 
FileVersion: 1.1.32.00
ProductName: 
ProductVersion: 1.1.32.00
FileDescription: 
OriginalFilename: 
Translation: 0x0409 0x04b0

Trojan:Win32/Ymacco.AAC2 also known as:

How to remove Trojan:Win32/Ymacco.AAC2?

• 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.