What is “Ransom:Win32/Bosloki.A”?

The Ransom:Win32/Bosloki.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 Ransom:Win32/Bosloki.A virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Dynamic (imported) function loading detected
• Enumerates running processes
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Collects and encrypts information about the computer likely to send to C2 server
• Installs itself for autorun at Windows startup
• Creates known CypherIT/Frenchy Shellcode mutexes

How to determine Ransom:Win32/Bosloki.A?

File Info:
name: AE33A84431F7120D14AD.mlwpath: /opt/CAPEv2/storage/binaries/77a9d3bb30d4c76152b423bed43622b6117ffa61781b69b03b805577fdde018dcrc32: FAE09762md5: ae33a84431f7120d14ad23962679e770sha1: 25c20c4f55414b0815194ab53947c6a29472ce7fsha256: 77a9d3bb30d4c76152b423bed43622b6117ffa61781b69b03b805577fdde018dsha512: c77e2c090c8d7d267d2b834743629d4aead4cadeddff3705a29265d63a52e6a9d286ee2cd625bd851ba45311606b9f1ce1dfc4f44120a22c03f3b65fe233d7c1ssdeep: 24576:bAHnh+eWsN3skA4RV1Hom2KXMmHaIDHpKzWH1TNCj5:2h+ZkldoPK8YaIjmEOtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1AA35AD02B3D1D076FFAA92739B66F20556BC7D290133852F13982DB9BD701B1263E663sha3_384: 07f1e68aaa40c9adbc69bba302d29c7f07f56a9ac9532ae6f2ae31df9cae04ccdb3a260525d0c9c2306eaeb434f20f98ep_bytes: e8c8d00000e97ffeffffcccccccccccctimestamp: 2019-09-24 13:23:02
Version Info:
FileDescription: EhStorAuthnOriginalFilename: replaceCompanyName: FirstLogonAnimFileVersion: 11.229.373.742LegalCopyright: bootuxProductName: controlProductVersion: 792.218.924.482Translation: 0x0409 0x04b0

Ransom:Win32/Bosloki.A also known as:

How to remove Ransom:Win32/Bosloki.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.