Categories: Worm

How to remove “Worm:Win32/Ructo.B”?

The Worm:Win32/Ructo.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 Worm:Win32/Ructo.B virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (17 unique times)
  • A process created a hidden window
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

Related domains:

www.youtube.com
www.bing.com
ocsp.pki.goog
i.ytimg.com
fonts.googleapis.com
crl.pki.goog
fonts.gstatic.com
r2—sn-bpb5oxu-3c2l.googlevideo.com
ssl.gstatic.com

How to determine Worm:Win32/Ructo.B?


File Info:

crc32: E7B1B55Amd5: 3b1f6799bdfd1d1da1d2aade44d890bcname: 3B1F6799BDFD1D1DA1D2AADE44D890BC.mlwsha1: bc75f64fedeffcdf7fe255d26733d81c8b806496sha256: 0b8d77d35f8bd6ebdb5b400a7a9bac3ca41c1a17b03968b14dda1d143c4d370csha512: a859dc5fa4dac26a6aeed0088826d39e0319fc70251ec46569fec12c5c2a59d1cab8e61b01bf0fa4a0b953e05a0dc14e6305838367b04aaa66e432f796338c5fssdeep: 3072:4cXuD7+O1Xmm6gn2GNQSBHUfXC63nh9CZglESQ/Lml06m:BumO1XLrn2+hEXf/CKyP/il0type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0InternalName: project1FileVersion: 1.00CompanyName: ParticularProductName: lalalala2321ProductVersion: 1.00OriginalFilename: project1.exe

Worm:Win32/Ructo.B also known as:

K7AntiVirus Trojan ( 00171bc41 )
Lionic Trojan.Win32.Vilsel.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Siggen2.485
MicroWorld-eScan Gen:Trojan.Heur.ii0@rjkR3Dfiu
ALYac Gen:Trojan.Heur.ii0@rjkR3Dfiu
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Worm:Win32/Vilsel.4df7b187
K7GW Trojan ( 00171bc41 )
Cybereason malicious.9bdfd1
Cyren W32/SuspPack.G.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/VB.NTU
APEX Malicious
Avast Win32:MSNPass-J [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Vilsel.anar
BitDefender Gen:Trojan.Heur.ii0@rjkR3Dfiu
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
Tencent Win32.Trojan.Vilsel.Ljkp
Ad-Aware Gen:Trojan.Heur.ii0@rjkR3Dfiu
Sophos ML/PE-A + Mal/Particula-A
Comodo TrojWare.Win32.PSW.Ldpinch.~NNT@1op6ij
BitDefenderTheta AI:Packer.43D9748F1D
TrendMicro WORM_RUCTO.SMI
McAfee-GW-Edition BehavesLike.Win32.VirRansom.cc
FireEye Generic.mg.3b1f6799bdfd1d1d
Emsisoft Gen:Trojan.Heur.ii0@rjkR3Dfiu (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Vilsel.kmi
Webroot none
Avira TR/Crypt.CFI.Gen
Microsoft Worm:Win32/Ructo.B
SUPERAntiSpyware Worm.Ructo/Variant
GData Gen:Trojan.Heur.ii0@rjkR3Dfiu
AhnLab-V3 Trojan/Win32.MSNPass.R1900
Acronis suspicious
McAfee Generic BackDoor.wg
MAX malware (ai score=100)
VBA32 TScope.Malware-Cryptor.SB
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_RUCTO.SMI
Yandex Trojan.Vilsel.Gen!Pac.3
Ikarus Trojan.Win32.VB
Fortinet W32/Vilsel.GA!tr
AVG Win32:MSNPass-J [Trj]

How to remove Worm:Win32/Ructo.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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