Categories: Ransom

About “Ransom:Win32/LockScreen.BO” infection

The Ransom:Win32/LockScreen.BO 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 Ransom:Win32/LockScreen.BO virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (9 unique times)
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Sniffs keystrokes
  • Installs an hook procedure to monitor for mouse events
  • Steals private information from local Internet browsers
  • Installs itself for autorun at Windows startup
  • Contacts C&C server HTTP check-in (Banking Trojan)
  • Attempts to modify proxy settings
  • Attempts to modify browser security settings
  • Creates a copy of itself

Related domains:

www.huggibuggi.com
ocsp.pki.goog
img1.wsimg.com
ocsp.starfieldtech.com
www.public-trust.com

How to determine Ransom:Win32/LockScreen.BO?


File Info:

crc32: 717E1093md5: 03cb907f4beab39e215d3d1f1d5d0f2bname: 03CB907F4BEAB39E215D3D1F1D5D0F2B.mlwsha1: 952cc0d296bcddd8c90cd309edb22c590c6952c8sha256: bd0494cea42d36438bf98d0af0d116ae0e28bfe5c781872d542af363ee952c4asha512: 3ed8a00aeb389d2c212f2d6fb0f4c2601f13efead92d3c5bc8a041b3a6ea4245987dc7fab08147bedfc321b3eb7983aa72b3da9d29c73fba216b1137516456aassdeep: 12288:sdY8xEbj5Rl4Ze54jTpBgkd7i1vbo02Yl0PFOp:u1Ebj5Rf8pBgb00FlkOtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Ideal xa9 Knew Alone 2000-2007InternalName: Hula HeavenFileVersion: 5.5CompanyName: Pinnacle SystemsComments: Spur Nuts Chirp Self GreekProductName: Lion Has FoesProductVersion: 5.5FileDescription: RinkOriginalFilename: Gyro.exeTranslation: 0x0409 0x04b0

Ransom:Win32/LockScreen.BO also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0015e4f01 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.5335
ALYac Trojan.Winlock.Y
Cylance Unsafe
Zillya Trojan.Jorik.Win32.47323
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/LockScreen.bcc74189
K7GW Riskware ( 0015e4f01 )
Cybereason malicious.f4beab
Cyren W32/SuspPack.EC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/LockScreen.AJB
APEX Malicious
Avast FileRepMetagen [Malware]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Winlock.Y
NANO-Antivirus Trojan.Win32.Jorik.kqsbb
MicroWorld-eScan Trojan.Winlock.Y
Tencent Win32.Trojan.Lockscreen.Fsd
Ad-Aware Trojan.Winlock.Y
Sophos ML/PE-A + Mal/Ransom-L
Comodo Malware@#21tijg0rlsn1x
BitDefenderTheta Gen:NN.ZexaF.34686.FmKfaK9dIkpi
VIPRE Virtool.Win32.Obfuscator.vc
TrendMicro TROJ_JORIK.CIM
McAfee-GW-Edition Generic Dropper.ach
FireEye Generic.mg.03cb907f4beab39e
Emsisoft Trojan.Winlock.Y (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Jorik.ajxq
Webroot W32.Malware.Gen
Avira TR/Crypt.ULPM.Gen
eGambit Generic.Trojan
Kingsoft Win32.Troj.Jorik.u.(kcloud)
Microsoft Ransom:Win32/LockScreen.BO
SUPERAntiSpyware Trojan.Agent/Gen-Figler
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Winlock.Y
AhnLab-V3 Trojan/Win32.Gimemo.R20468
Acronis suspicious
McAfee Artemis!03CB907F4BEA
MAX malware (ai score=100)
VBA32 Trojan.Albot
Panda Generic Malware
TrendMicro-HouseCall TROJ_JORIK.CIM
Rising Ransom.LockScreen!8.83D (CLOUD)
Yandex Trojan.GenAsa!fiaSSXXrDd0
Ikarus Trojan.Win32.Ransom
MaxSecure Trojan.Malware.3566951.susgen
Fortinet W32/Jorik_Albot.U!tr
AVG FileRepMetagen [Malware]
Paloalto generic.ml

How to remove Ransom:Win32/LockScreen.BO?

  • 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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