Ransom • Trojan

About “Trojan-Ransom.Win32.Blocker.kzca” infection

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

Executable code extraction
Creates RWX memory
The binary likely contains encrypted or compressed data.
Network activity detected but not expressed in API logs
Anomalous binary characteristics

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


File Info:
crc32: 4B5F4C3A
md5: 31d70e8748b47cbd24fb5d01427eb162
name: 31D70E8748B47CBD24FB5D01427EB162.mlw
sha1: f8b5edd67fc4cb3b773e2cf6bee3af8a0b8dd30c
sha256: d28ee384db3e59706c5eb238c2c8cdb6f4561b6b6af5192484dfb368739a030c
sha512: 23d0e5e431c5847b8965c584fc91585a8a8d7f363b426a9cbb37347d8837bb69ef1618040c0c3b817c51c2411998fdf6ba07e3b1b55884e64a1c8a3aff40ebee
ssdeep: 6144:KdSK04ETTZ+4TBpvjLCmVaZEV0z5SjppnMu8wKP9Gaz:KoL4EnU4T/vjL4eV15MuHOx
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: TCPSVCS.EXE
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7600.16385
FileDescription: TCP/IP Services Application
OriginalFilename: TCPSVCS.EXE
Translation: 0x0409 0x04b0

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

Bkav	W32.AIDetect.malware2
Elastic	malicious (high confidence)
ALYac	Gen:Variant.Ransom.JobCrypter.5
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (D)
BitDefender	Gen:Variant.Ransom.JobCrypter.5
Cybereason	malicious.748b47
Cyren	W32/Symmi.O.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
APEX	Malicious
Paloalto	generic.ml
Cynet	Malicious (score: 100)
Kaspersky	Trojan-Ransom.Win32.Blocker.kzca
NANO-Antivirus	Trojan.Win32.Blocker.fawloz
MicroWorld-eScan	Gen:Variant.Ransom.JobCrypter.5
Tencent	Win32.Trojan.Blocker.Lkdz
Ad-Aware	Gen:Variant.Ransom.JobCrypter.5
Sophos	Mal/Generic-S
Comodo	Malware@#2knp0uunzpago
BitDefenderTheta	Gen:NN.ZexaF.34142.tq0@aiNxFAk
McAfee-GW-Edition	BehavesLike.Win32.Generic.fc
FireEye	Generic.mg.31d70e8748b47cbd
Emsisoft	Gen:Variant.Ransom.JobCrypter.5 (B)
SentinelOne	Static AI – Malicious PE
Avira	HEUR/AGEN.1136280
eGambit	Unsafe.AI_Score_99%
Microsoft	Program:Win32/Wacapew.C!ml
ZoneAlarm	Trojan-Ransom.Win32.Blocker.kzca
GData	Gen:Variant.Ransom.JobCrypter.5
TACHYON	Backdoor/W32.Xtreme.315392.C
Acronis	suspicious
McAfee	Artemis!31D70E8748B4
Malwarebytes	MachineLearning/Anomalous.100%
Rising	Trojan.Generic@ML.98 (RDML:4NtM78KzVNCsvE1x9+ljaQ)
Yandex	Trojan.Blocker!pHKvWqEM2E0
Ikarus	Trojan.MSIL.Bladabindi
Fortinet	W32/Blocker.KZCA!tr
Panda	Trj/CI.A

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

Trojan-Ransom.Win32.Blocker.kzca 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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