Doina.48991 (file analysis)

The Doina.48991 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 Doina.48991 virus can do?

• Behavioural detection: Executable code extraction – unpacking
• HTTPS urls from behavior.
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial binary language: Russian
• Unconventionial language used in binary resources: Russian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Uses Windows utilities to create a scheduled task
• Behavioural detection: Transacted Hollowing
• CAPE detected the RedLine malware family
• Attempts to identify installed AV products by installation directory
• Attempts to modify proxy settings
• Appears to use command line obfuscation
• Deletes executed files from disk
• Uses suspicious command line tools or Windows utilities
• Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Doina.48991?

File Info:
name: C99AB3F8FB1E7C3855E5.mlwpath: /opt/CAPEv2/storage/binaries/95b077b074076ad3514b380027927a7136e14213458ca254d992f680f863d2b9crc32: 902EACF9md5: c99ab3f8fb1e7c3855e50f4f04d2d9f1sha1: 7342bfecf291e3ce203d45bd053e9df1a750add4sha256: 95b077b074076ad3514b380027927a7136e14213458ca254d992f680f863d2b9sha512: 9c30d92bc31f5f0e7deba3cc08ca390617d95ec5ea00db65ad26f4938705b950b05d39bb22d1a9d05a6a529434a590d809852022fb1c25480aa7b2b923ca7104ssdeep: 12288:YMrJy90loK6HT0HWHTL/6NT+gwYZJp9hN+crwM+hj9fSnlZvOqQdoEB9qn9wtyQW:hyeW5/qTbZdNUMWj2uhow9+AyOYFtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T187151247FAE880A2D8B5433049F556D70B76FE60172487876649BC6E18B2BB4F13633Bsha3_384: 8b8212fecb21265d1a88bc4257235cf929f3e6a559594020f710e4bffcaad3c5619ca229855cf0b13671d5319aae36a5ep_bytes: e8f0060000e9000000006a5868b87240timestamp: 2022-05-24 22:49:06
Version Info:
CompanyName: Microsoft CorporationFileDescription: Самоизвлечение CAB-файлов Win32                                           FileVersion: 11.00.17763.1 (WinBuild.160101.0800)InternalName: Wextract                LegalCopyright: © Корпорация Майкрософт. Все права защищены.OriginalFilename: WEXTRACT.EXE            .MUIProductName: Internet ExplorerProductVersion: 11.00.17763.1Translation: 0x0419 0x04b0

Doina.48991 also known as:

How to remove Doina.48991?

• 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.