Categories: Trojan

Should I remove “Trojan-Downloader.Win32.Deyma.bir”?

The Trojan-Downloader.Win32.Deyma.bir 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.

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What Trojan-Downloader.Win32.Deyma.bir virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to identify installed AV products by installation directory
  • Creates a copy of itself
  • Collects information to fingerprint the system

Related domains:

redirector.gvt1.com
r4—sn-4g5ednss.gvt1.com

How to determine Trojan-Downloader.Win32.Deyma.bir?


File Info:

crc32: 046B6DD0md5: bd146beda50cb69c36840ff41b83a601name: 4200o9i8u.exesha1: f7845e7808f492bf68b658648ff2921d022df0b9sha256: d1337ce159d228c3b2d7b73b66e3dfe5153c3a521cbae4320f0909c128d744b7sha512: 2881a6a9c6eeaa53a851bdc3d7dfe377d680500fc53df1095e63d8e7cfa9739745a1730a69519e9179e76c5dad211d18cec62cc938434ce74ffbcc6b4f98d34cssdeep: 12288:W6qx+GgJOpEheBWpJ0NjYZZRKFdCFqPryQ32E9i/4B:8QlmWpJGYZZ4FsFEpntype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2003InternalName: IrdaMobileFileVersion: 1, 0, 0, 1ProductName: IrdaMobile ApplicationProductVersion: 1, 0, 0, 1FileDescription: IrdaMobile MFC ApplicationOriginalFilename: IrdaMobile.EXETranslation: 0x0409 0x04b0

Trojan-Downloader.Win32.Deyma.bir also known as:

MicroWorld-eScan Trojan.GenericKD.43493853
FireEye Generic.mg.bd146beda50cb69c
Qihoo-360 Win32/Trojan.Downloader.550
McAfee GenericRXLK-NT!BD146BEDA50C
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0056aa1a1 )
BitDefender Trojan.GenericKD.43493853
K7GW Trojan ( 0056aa1a1 )
TrendMicro TROJ_GEN.R011C0DGG20
Cyren W32/Kryptik.BQI.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
GData Trojan.GenericKD.43493853
Kaspersky Trojan-Downloader.Win32.Deyma.bir
Alibaba TrojanDownloader:Win32/Deyma.7127cb85
NANO-Antivirus Trojan.Win32.Dwn.hnydzy
Tencent Malware.Win32.Gencirc.10cde088
Endgame malicious (high confidence)
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.Ryuk.eqtqz
DrWeb Trojan.DownLoader33.64957
Trapmine malicious.high.ml.score
Emsisoft Trojan.GenericKD.43493853 (B)
Ikarus Trojan.SuspectCRC
F-Prot W32/Kryptik.BQI.gen!Eldorado
Webroot W32.Trojan.Gen
Avira TR/AD.Ryuk.eqtqz
Antiy-AVL Trojan[Downloader]/Win32.Deyma
Microsoft Trojan:Win32/Emotet.DGB!MTB
Arcabit Trojan.Generic.D297A9DD
ZoneAlarm Trojan-Downloader.Win32.Deyma.bir
AhnLab-V3 Malware/Win32.Generic.C4160581
VBA32 BScope.Backdoor.Emotet
ALYac Trojan.GenericKD.43493853
MAX malware (ai score=89)
Ad-Aware Trojan.GenericKD.43493853
Malwarebytes Trojan.Injector
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Generik.JKFXMQ
TrendMicro-HouseCall TROJ_GEN.R011C0DGG20
Rising Trojan.Kryptik!1.C80B (CLASSIC)
Fortinet W32/Kryptik.HDKU!tr
BitDefenderTheta Gen:NN.ZexaE.34136.Sq1@aKgD!2xi
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (W)

How to remove Trojan-Downloader.Win32.Deyma.bir?

  • 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.
Paul Valéry

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

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