Ransom Trojan

Trojan.Ransom.BJZ removal tips

Malware Removal

The Trojan.Ransom.BJZ 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 Trojan.Ransom.BJZ virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to remove evidence of file being downloaded from the Internet
  • Spoofs its process name and/or associated pathname to appear as a legitimate process
  • Creates a hidden or system file
  • Creates known SpyNet mutexes and/or registry changes.
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan.Ransom.BJZ?


File Info:

crc32: 745232DC
md5: b28ef62bf2f4003ec9e15b26c492143d
name: B28EF62BF2F4003EC9E15B26C492143D.mlw
sha1: a65c0a2ebc3410a49ebcc5a32d7c9622fbcea0a5
sha256: 8909bf303ac569fae021f3fecedd9bd7bd89e1377ce7f4221a19b37f36ef8ac3
sha512: df66bea522ac08963663a88a00e015969c6753061187c908d64cc97e685d378a9430485a8446d2883f643be32f515cf7abbeb863ecb9983e0f2077798b81d2e3
ssdeep: 3072:+iGWfvnha6mdeDu9gg2gGDVKFI0SY3EkERGdaf0KRhLVY/:+2vnha6ZsgzgGDVKa0SI5a7hLm
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: (C) 2009
InternalName: calculate
FileVersion: 1, 0, 0, 1
CompanyName:
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: calculate
SpecialBuild:
ProductVersion: 1, 0, 0, 1
FileDescription: calculate
OriginalFilename: calculate.EXE
Translation: 0x0407 0x04e4

Trojan.Ransom.BJZ also known as:

BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0050479d1 )
Elasticmalicious (high confidence)
DrWebBackDoor.Siggen2.1859
CynetMalicious (score: 100)
ALYacTrojan.Ransom.BJZ
CylanceUnsafe
ZillyaTrojan.PetrWrap.Win32.2
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/PetrWrap.7939523f
K7GWTrojan ( 0050479d1 )
Cybereasonmalicious.bf2f40
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.DKYQ
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.PetrWrap.a
BitDefenderTrojan.Ransom.BJZ
NANO-AntivirusTrojan.Win32.PetrWrap.elpeaw
ViRobotTrojan.Win32.Spora.163843
MicroWorld-eScanTrojan.Ransom.BJZ
TencentMalware.Win32.Gencirc.10b58791
Ad-AwareTrojan.Ransom.BJZ
SophosML/PE-A + Troj/Ransom-EFS
ComodoMalware@#2dtapkua2rkgu
BitDefenderThetaGen:NN.ZexaF.34608.nqW@a8lUA@db
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionGenericRXAZ-HQ!B28EF62BF2F4
FireEyeGeneric.mg.b28ef62bf2f4003e
EmsisoftTrojan.Ransom.BJZ (B)
SentinelOneStatic AI – Suspicious PE
AviraHEUR/AGEN.1108497
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/Emotet!ml
GDataTrojan.Ransom.BJZ
TACHYONRansom/W32.PetrWrap.221184
AhnLab-V3Trojan/Win32.Spora.R194975
Acronissuspicious
McAfeeGenericRXAZ-HQ!B28EF62BF2F4
MAXmalware (ai score=98)
VBA32Trojan-Ransom.PetrWrap
MalwarebytesTrojan.Xcsidl
PandaTrj/Genetic.gen
RisingTrojan.Kryptik!8.8 (CLOUD)
YandexTrojan.GenAsa!bc4tHgpJ/Wk
IkarusTrojan.Win32.Injector
FortinetW32/Injector.DMED!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.PetrWrap.HgIASOsA

How to remove Trojan.Ransom.BJZ?

Trojan.Ransom.BJZ removal tool
  • 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.

About the author

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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