Backdoor:Win32/Kirts removal tips

The Backdoor:Win32/Kirts 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 Backdoor:Win32/Kirts virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Sample contains Overlay data
• Uses Windows utilities for basic functionality
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial language used in binary resources: Hungarian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities to create a scheduled task
• Behavioural detection: Injection (Process Hollowing)
• Behavioural detection: Injection (inter-process)
• Operates on local firewall’s policies and settings
• Creates a copy of itself
• Deletes executed files from disk
• Attempts to disable Windows Defender
• Yara detections observed in process dumps, payloads or dropped files

How to determine Backdoor:Win32/Kirts?

File Info:
name: 450C8ADE9B7307125460.mlwpath: /opt/CAPEv2/storage/binaries/08dd19e42bd293f4267d4dd9b02ec25292d1b0fa642e02e472762aaf7567e044crc32: 01F36580md5: 450c8ade9b73071254603ae713d09e37sha1: 3e4f880bcc6030f031aa5be293ecd49cc6b6ac0bsha256: 08dd19e42bd293f4267d4dd9b02ec25292d1b0fa642e02e472762aaf7567e044sha512: 801fe2ad5aadb8a569cd2e8a2aee5556484400ec63b810bd4617b1862222ec6d51a35e96efbe2f73bd073b8a49d72036dbf978ccdddc47e2356ef80903019f9fssdeep: 3072:ZLDwYSFDa/vslfqX9hYJiF9xBm2Ef5ayn8Tfd01LqciU+DGZq2CHv5p4HVP0dAhK:NDwYSFZ0hlbynMd01LHZq2xQAhRgtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10134AE1530E1C031E117517967A3C7323A6AB4310B3A69CB6ACB857C4FAD6E9E723E4Dsha3_384: fd74fd78149bf930751e2b265ba7eb2306dd5ccf02d2ec4490db70738638f04b073b44f625941f89b976cd91d35234e4ep_bytes: e8a14d0000e978feffffcccccccccccctimestamp: 2010-08-19 02:12:54
Version Info:
0: [No Data]

Backdoor:Win32/Kirts also known as:

How to remove Backdoor:Win32/Kirts?

• 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.