About “Trojan.Quolko.A” infection

The Trojan.Quolko.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.

What Trojan.Quolko.A virus can do?

• Executable code extraction
• Injection with CreateRemoteThread in a remote process
• Creates RWX memory
• A process attempted to delay the analysis task.
• Attempts to connect to a dead IP:Port (6 unique times)
• Starts servers listening on 0.0.0.0:21
• Expresses interest in specific running processes
• Unconventionial language used in binary resources: Russian
• The executable is compressed using UPX
• Uses Windows utilities for basic functionality
• Tries to suspend Cuckoo threads to prevent logging of malicious activity
• Code injection with CreateRemoteThread in a remote process
• Crashed cuckoomon during analysis. Report this error to the Github repo.
• Tries to unhook or modify Windows functions monitored by Cuckoo
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Clears Windows events or logs
• Creates a copy of itself

Related domains:

How to determine Trojan.Quolko.A?

File Info:
crc32: 59A176CBmd5: 646d49a2d38f1eb7521f9cb282cf4a64name: 646D49A2D38F1EB7521F9CB282CF4A64.mlwsha1: fa1f969ae797875f0c76e474d6caa1c411fad767sha256: 0a7c132ab8d80511392c4b17b9b2c9ab29da753327f28c0d3509592735c3c7aesha512: 0f6fc26e1f109cb659c8a70c88c933955dccac875bc01a9a19579a20f2d5cb854e730e277cd12ed97217c0969759aabf6d32f5ca2b7ea276cfa967b18a6599dessdeep: 3072:ok59fo2r2f0oJDib8iLws7ngPZwGj9Tf8+6:ok7o2r2fj2P8sbgWGj9oNtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Version Info:
0: [No Data]

Trojan.Quolko.A also known as:

How to remove Trojan.Quolko.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.