About “Trojan:Win32/Ymacco.ABFF” infection

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

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Injection with CreateRemoteThread in a remote process
• Creates RWX memory
• A process attempted to delay the analysis task.
• At least one IP Address, Domain, or File Name was found in a crypto call
• Reads data out of its own binary image
• A process created a hidden window
• The binary likely contains encrypted or compressed data.
• Uses Windows utilities for basic functionality
• Detects the presence of Wine emulator via function name
• Detects Sandboxie through the presence of a library
• Executed a process and injected code into it, probably while unpacking
• Attempts to remove evidence of file being downloaded from the Internet
• A process was set to shut the system down when terminated
• Installs itself for autorun at Windows startup
• Exhibits behavior characteristic of Nanocore RAT
• Checks the version of Bios, possibly for anti-virtualization
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key
• Detects VMware through the presence of a registry key
• Creates a copy of itself
• Collects information to fingerprint the system

How to determine Trojan:Win32/Ymacco.ABFF?

File Info:
crc32: FBB6F745
md5: e4f51af509a39b76e1e5b501776e570b
name: E4F51AF509A39B76E1E5B501776E570B.mlw
sha1: 146b8cc7533eee437b2aa0c5469e5e05342d0348
sha256: ffe87a32645ae094df3ad919bb9967d6c14d1db9baf1c33ff126470754f41eac
sha512: 3588f2394e0d35b9d3aa21eba6ff0eede753b1dd67b4e2c6aec1e0674b701fb74a3b23ff0079005cee0cd2cc00f8fa762b6953d506b048fec382b71192cd7142
ssdeep: 24576:QRCtZDmR89FXxoIZxtFhTTKaOtyOL+qNVxiGS6qI+R:vtZDmRCXyAxB+aa4qtPZq
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Darren Horrocks 2013
Assembly Version: 1.0.0.0
InternalName: x53f8x635x6267F.exe
FileVersion: 1.0.0.0
CompanyName: www.bizzeh.com
LegalTrademarks: 
Comments: Image resizer/cropper thumbnailer
ProductName: OKResizer
ProductVersion: 1.0.0.0
FileDescription: OKResizer
OriginalFilename: x53f8x635x6267F.exe

Trojan:Win32/Ymacco.ABFF also known as:

How to remove Trojan:Win32/Ymacco.ABFF?

• 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.