Malware

Doina.48991 (file analysis)

Malware Removal

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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day free trial available.

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: 365978CD5E6D951DFAC7.mlw
path: /opt/CAPEv2/storage/binaries/a7ac435cb4a9a22481563ec358c51eb9eb59f8fe14de13a097ae54fb631d9625
crc32: 29B22B2A
md5: 365978cd5e6d951dfac7754b2a24c61a
sha1: 712a8b72cf3cad7aecd9ebfb033a946565a4140d
sha256: a7ac435cb4a9a22481563ec358c51eb9eb59f8fe14de13a097ae54fb631d9625
sha512: 88a0f78ea002557b1a3807faa4b43cadbe1278e9b7b099b811587cd16b8fa14eb806012503afb1f6dfef2acd5d651e020c016d5139e578bfd94148c4e806dd41
ssdeep: 12288:HMrvy90MZ2Gyn0nKaqeCScIFeaB2Zr8ScEmrv3kOhbniLDctYnhGoF4DP3OXv:Mycn0nKxVaBSrTZk0iK3GoFC3Ov
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14E05120BA6F8D421E474437005F356D31A36BE606B38836B278DAD1D6E33AA4B532777
sha3_384: 3cbda39fd7b047344b82b6f304894654bb164bed458373345bc618d94bc4a32a0863f23e1989af9b82689d51dead60b2
ep_bytes: e8f0060000e9000000006a5868b87240
timestamp: 2022-05-24 22:49:06

Version Info:

CompanyName: Microsoft Corporation
FileDescription: Самоизвлечение CAB-файлов Win32
FileVersion: 11.00.17763.1 (WinBuild.160101.0800)
InternalName: Wextract
LegalCopyright: © Корпорация Майкрософт. Все права защищены.
OriginalFilename: WEXTRACT.EXE .MUI
ProductName: Internet Explorer
ProductVersion: 11.00.17763.1
Translation: 0x0419 0x04b0

Doina.48991 also known as:

MicroWorld-eScanGen:Variant.Babar.167435
FireEyeGeneric.mg.365978cd5e6d951d
CAT-QuickHealTrojan.MSIL
ALYacGen:Variant.Doina.48991
Cylanceunsafe
VIPRETrojan.GenericKD.65331035
K7AntiVirusTrojan-Downloader ( 0057994f1 )
K7GWTrojan-Downloader ( 0057994f1 )
Cybereasonmalicious.d5e6d9
CyrenW32/Agent.FRF.gen!Eldorado
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32multiple detections
APEXMalicious
ClamAVWin.Packed.Disabler-9987080-0
KasperskyUDS:Trojan.Win32.Zenpak.gen
NANO-AntivirusTrojan.Win32.Disabler.junsud
AvastWin32:TrojanX-gen [Trj]
TencentTrojan-Ransom.Win32.Stop.gen
BaiduMulti.Threats.InArchive
DrWebTrojan.Siggen19.32857
TrendMicroTROJ_GEN.R002C0PBK23
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
Trapminemalicious.high.ml.score
SentinelOneStatic AI – Malicious SFX
GDataGeneric.Trojan.PSEB.WGPCII
GoogleDetected
AviraTR/Disabler.ocayi
Antiy-AVLTrojan[Downloader]/Win32.Amadey
XcitiumApplicUnwnt@#1ftfc2ja2g1dd
SUPERAntiSpywareTrojan.Agent/Gen-Downloader
MicrosoftTrojan:Script/Phonzy.A!ml
CynetMalicious (score: 99)
McAfeeArtemis!7E93BACBBC33
MalwarebytesGeneric.Trojan.Injector.DDS
TrendMicro-HouseCallTROJ_GEN.R002C0PBK23
RisingDownloader.Amadey!8.125AC (TFE:5:HlAGNWrdXqP)
YandexTrojan.Disabler!G6z7qDxyklM
IkarusWin32.Outbreak
FortinetPossibleThreat
AVGWin32:TrojanX-gen [Trj]
CrowdStrikewin/malicious_confidence_70% (W)

How to remove Doina.48991?

Doina.48991 removal tool
  • 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.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

Leave a Comment