Malware

About “Symmi.83131” infection

Malware Removal

The Symmi.83131 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 Symmi.83131 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Arabic (Egypt)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the Formbook malware family
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Symmi.83131?


File Info:

name: DEB3CA6A5D55410BBC23.mlw
path: /opt/CAPEv2/storage/binaries/94368c02431a619ceca1c29002879f5a7ea17c8c4f81025e3c18ae697f5fba2b
crc32: 85A4707D
md5: deb3ca6a5d55410bbc23a562c9f7ee5d
sha1: cd9f8fa90e93486bfb7a5ee948620e4abb63f127
sha256: 94368c02431a619ceca1c29002879f5a7ea17c8c4f81025e3c18ae697f5fba2b
sha512: f9388df916353a28a63daf3db9c8799847c2184a3a739ab9d207e28142048d377d80fcb1d1302df2096c892686fdd53e920cf3632b289a551d6e3f352c6da166
ssdeep: 24576:cck6VkEyZF3QaeqCwX30ukIa4v+NY7ZYNdYMqWQ7:cBTyCoO
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T102255B12A2BC9CF2F06D3DB58C0787AC5815BD106D34558AE6EB3DCCEA77583E42A2D1
sha3_384: 6974b8f862f723582dfee32d4cc478900705dfb352a86c9ab9e2dc74e4ec11f8ae3d001be127296016f901f9631d2220
ep_bytes: 558bec83c4f0b8183b4600e8c024faff
timestamp: 1992-06-19 22:22:17

Version Info:

CompanyName: Heaventools Software
FileDescription: PE Explorer
FileVersion: 1.99.6.1400
InternalName: PE Explorer
LegalCopyright: Copyright © 2000-2009 Heaventools Software
LegalTrademarks: PE Explorer is a trademark of Heaventools Software
OriginalFilename: pexplorer.exe
ProductName: PE Explorer
ProductVersion: 1.99.6.1400
Comments:
Translation: 0x0000 0x04e3

Symmi.83131 also known as:

Elasticmalicious (high confidence)
CynetMalicious (score: 100)
FireEyeGeneric.mg.deb3ca6a5d55410b
CAT-QuickHealTrojan.Agent
ALYacGen:Variant.Symmi.83131
CylanceUnsafe
ZillyaTrojan.Agent.Win32.960020
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0053a6ac1 )
AlibabaTrojan:Win32/Injector.956e8a64
K7GWTrojan ( 0053a6ac1 )
CrowdStrikewin/malicious_confidence_100% (W)
SymantecTrojan Horse
ESET-NOD32a variant of Win32/Injector.DZUJ
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Malware.Score-7597125-0
KasperskyHEUR:Trojan.Win32.Agent.gen
BitDefenderGen:Variant.Symmi.83131
MicroWorld-eScanGen:Variant.Symmi.83131
AvastWin32:Trojan-gen
TencentMalware.Win32.Gencirc.114d211e
Ad-AwareGen:Variant.Symmi.83131
EmsisoftGen:Variant.Symmi.83131 (B)
DrWebTrojan.Inject1.54688
TrendMicroTSPY_HPLOKI.SM1
McAfee-GW-EditionBehavesLike.Win32.Infected.dh
SophosML/PE-A + Mal/Agent-ATI
IkarusTrojan.Crypt
GDataGen:Variant.Symmi.83131
AviraTR/ATRAPS.Gen
Antiy-AVLTrojan/Win32.Agent
ArcabitTrojan.Symmi.D144BB
ViRobotTrojan.Win32.Z.Agent.977920.W
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
AhnLab-V3Spyware/Win32.Hploki.C2689463
McAfeeRDN/Generic PWS.y
MAXmalware (ai score=86)
VBA32Trojan.Agent
MalwarebytesTrojan.Agent
TrendMicro-HouseCallTSPY_HPLOKI.SM1
YandexTrojan.GenAsa!FxtGGI6vOKE
SentinelOneStatic AI – Suspicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.EKLE!tr
BitDefenderThetaGen:NN.ZelphiF.34084.7K0@a0gmTFlQ
AVGWin32:Trojan-gen
PandaTrj/GdSda.A

How to remove Symmi.83131?

Symmi.83131 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