Trojan-Ransom.Win32.Blocker.gkht removal guide

The Trojan-Ransom.Win32.Blocker.gkht 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-Ransom.Win32.Blocker.gkht virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Mimics the system’s user agent string for its own requests
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• HTTPS urls from behavior.
• CAPE extracted potentially suspicious content
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Deletes its original binary from disk
• Attempts to delete or modify volume shadow copies
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Attempts to stop active services
• Modifies boot configuration settings
• Behavior consistent with a dropper attempting to download the next stage.
• Collects and encrypts information about the computer likely to send to C2 server
• Installs itself for autorun at Windows startup
• Attempts to modify proxy settings
• Creates a copy of itself
• Attempts to disable System Restore
• Uses suspicious command line tools or Windows utilities

How to determine Trojan-Ransom.Win32.Blocker.gkht?

File Info:
name: 9EF90F617A781CD6C0D0.mlwpath: /opt/CAPEv2/storage/binaries/e855d451a62df108cd81c8bc350d24c60cad32981db4d8df08937804be5ddde0crc32: C544B414md5: 9ef90f617a781cd6c0d0d3c4cbb449d7sha1: 985d26bc7255e0c13780c507783498570ceb5868sha256: e855d451a62df108cd81c8bc350d24c60cad32981db4d8df08937804be5ddde0sha512: 5ddc459633042ab86e0ef66d5d479a64962c6c9efefc37e0229f2c37ae653a81d83f6d80a0f36b4bf0bccbdca69e90d963397469d84f8e5ef54c9796e6221c88ssdeep: 6144:ByCLJBUUYhMVB0KV9FRXODf5nKzn+eL1om9T7:rb6ev1zXgf5nKbBLr7type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D9649E6AAC624C66E8AB463C99C61BCE06356B310F21AD37148577485EA23C7F537F0Fsha3_384: 74dbee6b067d5e85f054e16f0d46cc818d7fbe9d4373db46163fdd70fc96bfd7d0897eabb257158e5f7889dded36b1d5ep_bytes: 558bec81ec3c0c0000535657c78558fftimestamp: 2015-01-22 13:32:14
Version Info:
CompanyName: Commander GroupFileDescription: nLe7L6v50FileVersion: 5.9.0.0InternalName: r7m45R13pT1.exeLegalCopyright: d880bRjDkB3 1980-2002OriginalFilename: r7m45R13pT1.exeProductVersion: 5.9.0.0ProductName: E368H3126Translation: ЉӦ

Trojan-Ransom.Win32.Blocker.gkht also known as:

How to remove Trojan-Ransom.Win32.Blocker.gkht?

• 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.