Categories: Trojan

Trojan-Downloader.Win32.Deyma.cig (file analysis)

The Trojan-Downloader.Win32.Deyma.cig 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.cig virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Checks for the presence of known windows from debuggers and forensic tools
  • Network activity contains more than one unique useragent.
  • Anomalous binary characteristics

Related domains:

g-localdevice.biz
cdn.discordapp.com

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


File Info:

crc32: BAB34C5Amd5: fabd9a0dbdf216d044434ce5bbb38c96name: FABD9A0DBDF216D044434CE5BBB38C96.mlwsha1: d381d7d921ab5a2c87d4a787de2dedb19f4afe3asha256: 9f8ccc3a8aebf0cf496cca02ae8f63d12311dbecade5ea86f68b5c166babd17asha512: a0db8ebe9c298f49f8b7c3a76665ac6ddf3267e19ccf7438b80dfbad7c11632eb10b306c83e8accb1629ebfb60e5b2271a454370d87b69806af86207762252cassdeep: 196608:JnhJtuGAZUp3IXrBitu5mv/X1VrD2S+jwRsKX6+OtOlGFNb:JnIZUp3Kr0MoL7+8RNKDtOgF1type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

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

Elastic malicious (high confidence)
DrWeb Trojan.PackedNET.972
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.SabsikIH.S21959152
ALYac Gen:Variant.Jaik.45703
Cybereason malicious.dbdf21
Cyren W32/Fugrafa.X.gen!Eldorado
ESET-NOD32 multiple detections
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
ClamAV Win.Packed.Barys-9859531-0
Kaspersky Trojan-Downloader.Win32.Deyma.cig
BitDefender Gen:Variant.Jaik.45703
MicroWorld-eScan Gen:Variant.Jaik.45703
BitDefenderTheta Gen:NN.ZedlaF.34266.n88baOE@FOp
TrendMicro TROJ_GEN.R002C0WKE21
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
FireEye Generic.mg.fabd9a0dbdf216d0
Emsisoft Gen:Variant.Jaik.45703 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1144141
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.3454962
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Arcabit Trojan.Jaik.DB287
GData Gen:Variant.Jaik.45703
MAX malware (ai score=88)
VBA32 CIL.StupidPInvoker-1.Heur
Malwarebytes Trojan.Dropper.SFX.Generic
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_GEN.R002H0DKE21
Rising Dropper.Agent/NSIS!1.D805 (CLASSIC:cmRtazryytteSVcLyGtloDVf+19b)
Fortinet W32/BSE.4Q7Q!tr
AVG Win32:CrypterX-gen [Trj]

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

  • 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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