Categories: Malware

How to remove “Symmi.55426”?

The Symmi.55426 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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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.
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What Symmi.55426 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • 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
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Arabic (Lebanon)
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine Symmi.55426?


File Info:

name: C65B5DFE774766109560.mlwpath: /opt/CAPEv2/storage/binaries/80d75574f6f9eaa81795b28bd27004da469594ab5f24a91df80660c6302270a3crc32: 9FCDC595md5: c65b5dfe774766109560ea9d9e1fb4b0sha1: d1173c6cdf1eed0768a567a8ffad296aa9c05df3sha256: 80d75574f6f9eaa81795b28bd27004da469594ab5f24a91df80660c6302270a3sha512: d4457237f3b8b81780bc33a998b0d2f8efd00391b18f49cb70e1ee643c4679210913e08eb7f56c830c9d691d7e2dbe5012d68d10c46538c5245045f7f67ddad1ssdeep: 12288:oCjCI7zwHO2ZUcIy20PVvUpOkQgTAyWHsFs8HMC:ZjCIXwnmcIyToOrgTiHWfHMCtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C594E115B1E0C373D57751701BB19EF24939A4B43B688C9B7F8403AA6E60ED88A3778Dsha3_384: fc68129f8c915c780efda826a1020867a1fcf65829d4c316ce2cdad4f7ab46bf7a42983271fb0f47012a4cbaf61723baep_bytes: e872760000e978feffffcccccccccccctimestamp: 2015-08-08 21:48:58

Version Info:

CompanyName: Oleg N. ScherbakovFileDescription: 7z Setup SFX (x86)FileVersion: 1.5.0.2712InternalName: 7ZSfxModLegalCopyright: Copyright © 2005-2012 Oleg N. ScherbakovOriginalFilename: 7ZSfxMod_x86.exePrivateBuild: December 30, 2012ProductName: 7-Zip SFXProductVersion: 1.5.0.2712Translation: 0x0000 0x04b0

Symmi.55426 also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Generic.mCAD
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.1727
MicroWorld-eScan Gen:Variant.Symmi.55426
FireEye Generic.mg.c65b5dfe77476610
ALYac Gen:Variant.Symmi.55426
Cylance Unsafe
Zillya Trojan.Cidox.Win32.6838
Sangfor Trojan.Win32.AGEN.1036050
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Kryptik.38d04558
K7GW Trojan ( 004cef571 )
K7AntiVirus Trojan ( 004cef571 )
BitDefenderTheta Gen:NN.ZexaF.34232.Aq0@aKuME3gO
Cyren W32/Agent.XL.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.DSVZ
TrendMicro-HouseCall Ransom_CRYPTESLA.SMA8
Paloalto generic.ml
ClamAV Win.Packed.Gamarue-7724251-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Symmi.55426
NANO-Antivirus Trojan.Win32.Cidox.dvbhjo
SUPERAntiSpyware Trojan.Agent/Gen-Malagent
Avast Win32:Androp [Drp]
Tencent Win32.Trojan.Generic.Sxod
Ad-Aware Gen:Variant.Symmi.55426
Sophos Mal/Generic-R + Mal/Wonton-BB
Comodo TrojWare.Win32.Droma.EQJ@6b1t5k
Baidu Win32.Trojan.Kryptik.aio
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPTESLA.SMA8
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
Emsisoft Gen:Variant.Symmi.55426 (B)
Ikarus Trojan.Win32.Crypt
GData Gen:Variant.Symmi.55426
Jiangmin Trojan/Cryptodef.rj
Avira HEUR/AGEN.1213811
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.Cidox
Gridinsoft Ransom.Win32.Zbot.sa
ViRobot Trojan.Win32.CryptoWall.285696
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Ropest.J
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.MDA.R161682
Acronis suspicious
McAfee PWSZbot-FANG!C65B5DFE7747
VBA32 Hoax.Cryptodef
Malwarebytes Trojan.Kovter.ED
APEX Malicious
Rising Trojan.Kryptik!8.8 (CLOUD)
Yandex Trojan.GenAsa!5il1+X9TyN8
SentinelOne Static AI – Suspicious PE
Fortinet W32/Kryptik.DTSF!tr
Webroot W32.Trojan.GenKD
AVG Win32:Androp [Drp]
Cybereason malicious.e77476
Panda Trj/Genetic.gen

How to remove Symmi.55426?

  • 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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