Ransom Trojan

Trojan-Ransom.Win32.Blocker.kysx removal tips

Malware Removal

The Trojan-Ransom.Win32.Blocker.kysx 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 Trojan-Ransom.Win32.Blocker.kysx virus can do?

  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Drops a binary and executes it
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Looks up the external IP address
  • Uses Windows utilities for basic functionality
  • Sniffs keystrokes
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior
  • Collects information to fingerprint the system

Related domains:

z.whorecord.xyz
educationaltools.info
a.tomx.xyz
icanhazip.com

How to determine Trojan-Ransom.Win32.Blocker.kysx?


File Info:

crc32: 4A67BBF6
md5: 232046a5118cca46b3dbdd5c01f89331
name: 232046A5118CCA46B3DBDD5C01F89331.mlw
sha1: 9a125b90e0e0686f5992cdb7cddc879bc1dad90a
sha256: 610eb1310510c81ff63cb873dfd7dbc7776845b926d29db5b520fe91b83efbac
sha512: 21223d4735b8ffb298168e6041547f82446f39562e6e795953cd261e1d16915716eb2922d89318274589992886566105b1d39aacce1eae57313856dcf6223c57
ssdeep: 24576:cq5TfcdHj4fmbd7rQsRdHYY9oNWHu1rQsRdHYY9okwWJrQsRdHYY9okzWQ:cUTsam1UsbHToUHuUsbHTok7JUsbHTo
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: xa9 2003 - 2015 Microsoft Corporation
FileVersion: 7.12.23.95
Comments: Skype
FileDescription: Skype Technologies S.A.
Translation: 0x0809 0x04b0

Trojan-Ransom.Win32.Blocker.kysx also known as:

BkavW32.AIDetect.malware1
K7AntiVirusSpyware ( 004d8c0a1 )
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
DrWebTrojan.DownLoad4.5546
CynetMalicious (score: 100)
ALYacAIT:Trojan.Nymeria.402
CylanceUnsafe
CrowdStrikewin/malicious_confidence_60% (D)
K7GWSpyware ( 004d8c0a1 )
Cybereasonmalicious.5118cc
BaiduMulti.Threats.InArchive
CyrenW32/AutoIt.TA.gen!Eldorado
ESET-NOD32multiple detections
APEXMalicious
AvastScript:SNH-gen [Trj]
ClamAVWin.Malware.Nymeria-9888767-0
KasperskyTrojan-Ransom.Win32.Blocker.kysx
BitDefenderAIT:Trojan.GenericTKA.26
NANO-AntivirusTrojan.Win32.AutoIt.fakguc
MicroWorld-eScanAIT:Trojan.GenericTKA.26
TencentMalware.Win32.Gencirc.10b79e80
Ad-AwareAIT:Trojan.GenericTKA.26
ComodoMalware@#3lmlplxix71pk
BitDefenderThetaAI:Packer.DBCB5E9518
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_GEN.R002C0DEO21
McAfee-GW-EditionBehavesLike.Win32.Trojanaitinject.tc
FireEyeGeneric.mg.232046a5118cca46
EmsisoftAIT:Trojan.GenericTKA.26 (B)
AviraTR/Spy.Autoit.thiwv
eGambitUnsafe.AI_Score_97%
Antiy-AVLTrojan/Generic.ASCommon.168
MicrosoftPWS:AutoIt/Passup.A
GDataAIT:Trojan.Nymeria.402 (5x)
AhnLab-V3Malware/Win32.Generic.C1253453
McAfeeArtemis!232046A5118C
MAXmalware (ai score=98)
MalwarebytesMalware.AI.1013873878
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_GEN.R002C0DEO21
RisingSpyware.AutoLOG/Autoit!1.C9CE (CLASSIC)
IkarusDropper.AutoIt
MaxSecureTrojan.Malware.12317143.susgen
FortinetW32/AutoIt.CB!tr
AVGScript:SNH-gen [Trj]
Paloaltogeneric.ml

How to remove Trojan-Ransom.Win32.Blocker.kysx?

Trojan-Ransom.Win32.Blocker.kysx 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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