Categories: Malware

W32/Systro-K information

The W32/Systro-K 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 W32/Systro-K virus can do?

  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Network activity detected but not expressed in API logs
  • Likely virus infection of existing system binary
  • Creates a copy of itself
  • Creates a slightly modified copy of itself
  • Anomalous binary characteristics

How to determine W32/Systro-K?


File Info:

crc32: D773AA2Emd5: a950cc7e100cbd41e472aa74e3dbc5cbname: A950CC7E100CBD41E472AA74E3DBC5CB.mlwsha1: 1f39622892393a7194aaa534472b281cc1412f0bsha256: bffdbaddf0686b47fd62619e357d888bb524a2b56806b6bd7285c0929c88b073sha512: a55e1022d128c875d9c472583859000d0710061d9c28407fff428b1b54abf6a7380422cb357cd8da62a03f001c7af5cd8f1f79964b77c018793581466ad66fa8ssdeep: 6144:+su1YDl4Ji96fO3TmfMkf5QNm9jFbX4dO4:+rK4JnfO3qfv5X9jFDmO4type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

W32/Systro-K also known as:

Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.42859863
FireEye Generic.mg.a950cc7e100cbd41
CAT-QuickHeal Worm.Soltern.A.mue
McAfee W32/Sytro.worm.gen!p2p
Cylance Unsafe
VIPRE BehavesLike.Win32.Malware.tsc (mx-v)
K7AntiVirus Trojan ( 00005ef11 )
BitDefender Trojan.GenericKD.42859863
K7GW Trojan ( 00005ef11 )
Cybereason malicious.e100cb
Invincea ML/PE-A + W32/Systro-K
Baidu Win32.Trojan.Agent.aaw
Cyren W32/Soltern.ZJVY-4427
Symantec W32.HLLW.Electron
TotalDefense Win32/Sytro.A
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Worm.Soltern-1
Kaspersky P2P-Worm.Win32.Sytro.vhu
NANO-Antivirus Trojan.Win32.Sytro.cyeefp
Ad-Aware Trojan.GenericKD.42859863
Sophos W32/Systro-K
Comodo Worm.Win32.Soltern.jet@5a5fyj
F-Secure Worm.WORM/Systro.K
DrWeb Win32.HLLW.Sytro
Zillya Worm.Sytro.Win32.3
TrendMicro WORM_SYTRO.SMJ1
McAfee-GW-Edition BehavesLike.Win32.Sytro.dc
Emsisoft Trojan.GenericKD.42859863 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Worm/Sytro.w
Avira WORM/Systro.K
MAX malware (ai score=81)
Antiy-AVL Worm[P2P]/Win32.Sytro
Microsoft Worm:Win32/Soltern.M
Arcabit Trojan.Generic.D28DFD57
ZoneAlarm P2P-Worm.Win32.Sytro.vhu
GData Win32.Worm.Soltern.A
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.HDC.C40380
Acronis suspicious
BitDefenderTheta AI:Packer.DD7C5F9E21
ALYac Trojan.GenericKD.42859863
TACHYON Worm/W32.DP-Sytro.Zen.C
VBA32 BScope.TrojanDropper.Delf
Zoner Trojan.Win32.36407
ESET-NOD32 a variant of Win32/Soltern.NAA
TrendMicro-HouseCall WORM_SYTRO.SMJ1
Rising Malware.Qiwmonk!8.E93B (TFE:4:va2p2LU7OeP)
Yandex Worm.P2P.Sytro!o1hJ5VSwEtE
Ikarus Worm.Win32.Soltern
eGambit Unsafe.AI_Score_100%
Fortinet W32/Delf.E867!tr
AVG Win32:Evo-gen [Susp]
CrowdStrike win/malicious_confidence_70% (D)
Qihoo-360 Worm.Win32.Sytro.C

How to remove W32/Systro-K?

  • 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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