Categories: Malware

How to remove “Symmi.22722 (B)”?

The Symmi.22722 (B) 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 Symmi.22722 (B) virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Likely virus infection of existing system binary
  • Creates a copy of itself

How to determine Symmi.22722 (B)?


File Info:

name: E8AF460F99465FD3C528.mlwpath: /opt/CAPEv2/storage/binaries/c5bd5d12b2af167d4c305118f30d16ce0010b60c93cd6d9c19b07af8753b65c7crc32: CBA58720md5: e8af460f99465fd3c52812089a1c80f1sha1: 11ec0dcf736d72a7658b3a34c1c5524cf7a9b8f3sha256: c5bd5d12b2af167d4c305118f30d16ce0010b60c93cd6d9c19b07af8753b65c7sha512: 01c8f857f5d5cb6f288b0000b58ea4ae924017a7896750baee85d70c98ae417a37f3352b279b2af22a985ab6c5dcb84f78be0ae8b27e619abaee8ce075db6ed7ssdeep: 6144:CQiBRyhvJNAyOoRSJxR02HtBeYS9k3aIDEJ4P411eMGbqzgMBXEd37vOBYaux:ClgNQ3H+k3aIYWSQbaBXaCutype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T152946C24B5D3B0F6D677A4F00B56D732C4A13035A1F0A683E5812A5CE935BFBDA2634Bsha3_384: e63519650808857dc3e3b28bdf4c5602c0dc96679c2ee8b5282ac178080bf7388a008a44f7419bcebb28a02ba784bdb1ep_bytes: e88e810000e978feffff5064ff350000timestamp: 2014-07-24 05:34:13

Version Info:

0: [No Data]

Symmi.22722 (B) also known as:

Bkav W32.AIDetect.malware2
Cynet Malicious (score: 100)
FireEye Generic.mg.e8af460f99465fd3
CAT-QuickHeal Trojan.Dynamer.AC3
McAfee Trojan-FEMT!E8AF460F9946
Malwarebytes Trojan.Zbot.WHE
VIPRE Gen:Variant.Symmi.22722
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004cb2771 )
K7GW Trojan ( 004cb2771 )
Cybereason malicious.f99465
Cyren W32/Wonton.B.gen!Eldorado
Symantec Downloader.Upatre!g15
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Agent.VNC
APEX Malicious
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Symmi.22722
NANO-Antivirus Trojan.Win32.PEF.dfdvrm
MicroWorld-eScan Gen:Variant.Symmi.22722
Avast Win32:Downloader-TLD [Trj]
Tencent Win32.Trojan.Generic.Amcl
Ad-Aware Gen:Variant.Symmi.22722
Emsisoft Gen:Variant.Symmi.22722 (B)
Comodo Malware@#23e03ccbmn2di
F-Secure Trojan.TR/Nivdort.Gen2
DrWeb Trojan.DownLoader11.33079
Zillya Trojan.Generic.Win32.1303919
TrendMicro TSPY_NIVDORT.SMB
McAfee-GW-Edition Trojan-FEMT!E8AF460F9946
Trapmine malicious.high.ml.score
Sophos ML/PE-A + Troj/Wonton-FE
SentinelOne Static AI – Suspicious PE
Avira TR/Nivdort.Gen2
Antiy-AVL Trojan/Win32.AGeneric
Microsoft TrojanSpy:Win32/Nivdort.BW
Arcabit Trojan.Symmi.D58C2
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Symmi.22722
AhnLab-V3 Worm/Win32.Autorun.C337723
VBA32 BScope.Trojan.Bayrob
ALYac Gen:Variant.Symmi.22722
MAX malware (ai score=84)
Cylance Unsafe
TrendMicro-HouseCall TSPY_NIVDORT.SMB
Rising Trojan.Agent!1.C1BB (CLASSIC)
Ikarus Trojan-Spy.Win32.Nivdort
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Wonton.FE!tr
BitDefenderTheta Gen:NN.ZexaF.34786.AmW@aW3KP!e
AVG Win32:Downloader-TLD [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove Symmi.22722 (B)?

  • 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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