Categories: Malware

Symmi.22722 removal instruction

The Symmi.22722 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.22722 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
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself

How to determine Symmi.22722?


File Info:

name: 796FD26E9294533176B0.mlwpath: /opt/CAPEv2/storage/binaries/4bcfc67efcb647a57405ec44403a4ba84a03ec3587448adeb95d365fe1433299crc32: B4D05C88md5: 796fd26e9294533176b04b53a1f5b691sha1: 13ce810a4e547d043ff230397b292b6f333c9d93sha256: 4bcfc67efcb647a57405ec44403a4ba84a03ec3587448adeb95d365fe1433299sha512: 909f8a87e44fbc56a8f045c74639edb3a5689bf4aea1dc75603862f3bc63a6e477a88491f74e50420c0966d592e18523ea86c606ff5811221ee8acad8dd0ce3assdeep: 24576:b0W3v3iGQt+y43Wvi1yRtf9F8pHHTulx0MZP7UaN7cORXAcvVuR:b1vyGQt+y4mvi1yRtFFMHHTwxNZP7Uactype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12945AE34D751D417FAAA00B0526AC3B7662067326394A0C3F7D04E9DE5789F2BA3B71Bsha3_384: 500eaca6d78e2052fa8be60ded1df2af7e7b401c1c7f30e77db3d5592bfd6b360cdc8cdbf0f37a8d096f912fa4362f11ep_bytes: e8cdd50000e978feffff5064ff350000timestamp: 2014-12-02 14:19:58

Version Info:

0: [No Data]

Symmi.22722 also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.KillFiles.23271
MicroWorld-eScan Gen:Variant.Symmi.22722
CAT-QuickHeal TrojanSpy.Nivdort.WR3
McAfee Nivdort!796FD26E9294
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.727601
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004cd0081 )
Alibaba Malware:Win32/km_28d91.None
K7GW Trojan ( 004cd0081 )
Cybereason malicious.e92945
BitDefenderTheta Gen:NN.ZexaF.34084.onW@aaiR4Om
Cyren W32/Nivdort.A.gen!Eldorado
Symantec Downloader.Upatre!g15
ESET-NOD32 a variant of Win32/Kryptik.CCLE
TrendMicro-HouseCall TROJ_WONTON.SMJ1
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Symmi.22722
Avast Win32:Kryptik-OSY [Trj]
Rising Trojan.Generic@ML.100 (RDML:AldOih2V6DPZr2w3O1m/nA)
Ad-Aware Gen:Variant.Symmi.22722
Sophos ML/PE-A + Troj/Nivdor-F
Comodo TrojWare.Win32.Kryptik.GATE@5j70cv
F-Secure Backdoor.BDS/Zegost.Gen
VIPRE Trojan-Downloader.Tibs.gen (v)
TrendMicro TROJ_WONTON.SMJ1
McAfee-GW-Edition BehavesLike.Win32.Trojan.th
FireEye Generic.mg.796fd26e92945331
Emsisoft Gen:Variant.Symmi.22722 (B)
GData Gen:Variant.Symmi.22722
Jiangmin Trojan/Generic.bathe
Avira BDS/Zegost.Gen
Arcabit Trojan.Symmi.D58C2
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win.Generic.R457664
VBA32 BScope.Trojan.Bayrob
ALYac Gen:Variant.Symmi.22722
Malwarebytes Trojan.FakePDF
APEX Malicious
MAX malware (ai score=81)
eGambit Unsafe.AI_Score_97%
Fortinet W32/Kryptik.DDQD!tr
AVG Win32:Kryptik-OSY [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_80% (D)

How to remove Symmi.22722?

  • 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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