Categories: Malware

How to remove “Symmi.4250”?

The Symmi.4250 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.4250 virus can do?

  • 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
  • Unconventionial language used in binary resources: Spanish (El Salvador)
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Symmi.4250?


File Info:

crc32: 207CFE8Dmd5: 9690ea3f54fde810aad3c39f512841dbname: 9690EA3F54FDE810AAD3C39F512841DB.mlwsha1: 3ade4ef99240e4aca74584af231438acfefa6a3csha256: 12823f46df68fa6b4fb9919327aaa1cfa3c66c8ca99743e3eb861f0141980daasha512: a289bbf46515c42a4222ce2131222e8a5e43e5aeb3e03d5aa30ea96f62c0c72e0d3986593781f85a8362eb80edf01af85306a5252025e4f04ad422fff9b715a1ssdeep: 3072:2DJ+f+fqzJHRwOnt2vkdsyEPCA8InN/9HqfNGkHPv:aJ+bz1dkvkSyE6A1Np4NbXtype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

LegalCopyright: Copyright JetBrains s.r.o., (c) 2000-2012InternalName: Virtual Machine FileVersion: 9.1.1.3.AG-111.177CompanyName: Amphora GroupProductName: Virtual Machine ProductVersion: 9.1.1.3.AG-111.177FileDescription: OriginalFilename: myvm.exeTranslation: 0x0000 0x04b0

Symmi.4250 also known as:

K7AntiVirus Spyware ( 0055e3db1 )
Lionic Trojan.Win32.Zbot.lEHF
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.368
Cynet Malicious (score: 99)
ALYac Gen:Variant.Symmi.4250
Cylance Unsafe
Zillya Trojan.Zbot.Win32.87044
CrowdStrike win/malicious_confidence_90% (W)
Alibaba TrojanSpy:Win32/EncPk.95f1c395
K7GW Spyware ( 0055e3db1 )
Cybereason malicious.f54fde
Symantec Trojan.Shylock
ESET-NOD32 Win32/Spy.Zbot.ZR
APEX Malicious
Avast Win32:Cryptor
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Symmi.4250
NANO-Antivirus Virus.Win32.Gen.ccmw
ViRobot Trojan.Win32.A.Zbot.180736.CW
MicroWorld-eScan Gen:Variant.Symmi.4250
Tencent Win32.Trojan-Spy.Zbot.cfam
Ad-Aware Gen:Variant.Symmi.4250
Sophos ML/PE-A + Mal/EncPk-AHQ
Comodo Malware@#eca1uw1lvbl9
BitDefenderTheta Gen:NN.ZexaF.34058.lG1@aqn9P!oO
VIPRE Trojan.Win32.Encpk.ahq (v)
TrendMicro TROJ_RANSOM.SMWX
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.9690ea3f54fde810
Emsisoft Gen:Variant.Symmi.4250 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin TrojanSpy.Zbot.ckie
Avira TR/Dropper.Gen8
Antiy-AVL Trojan/Generic.ASMalwS.12F8FF
Kingsoft Win32.Troj.Zbot.(kcloud)
Microsoft PWS:Win32/Zbot
Arcabit Trojan.Symmi.D109A
GData Gen:Variant.Symmi.4250
AhnLab-V3 Spyware/Win32.Zbot.R42870
McAfee PWS-Zbot.gen.apx
MAX malware (ai score=98)
VBA32 TrojanSpy.Zbot
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_RANSOM.SMWX
Rising Trojan.Generic@ML.100 (RDML:pElO5teEQDGSAAp533wNbA)
Yandex Trojan.GenAsa!wU2nh7JHjDE
Ikarus Trojan-PWS.Win32.Zbot
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Injector.YVD!tr
AVG Win32:Cryptor
Qihoo-360 Win32/TrojanDropper.Generic.HwQAEpsA

How to remove Symmi.4250?

  • 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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