What is “Ransom.1644”?

The Ransom.1644 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.1644 virus can do?

The binary likely contains encrypted or compressed data.
Network activity detected but not expressed in API logs

How to determine Ransom.1644?


File Info:
crc32: C0EFD6CD
md5: b5821e1650bba72caaefd3718303fc01
name: B5821E1650BBA72CAAEFD3718303FC01.mlw
sha1: b5f258f0a4af5c916b3e15a90f15b1b7117b149b
sha256: 38dce7add8fd36f6d9882d43f578e56c83772263c70f348a2cb13994daea2a8d
sha512: 6fc86f087917734cc0a9bbc02bae0a13f9a0d2fdd0b60460b8e2d497a251faa8237ebe401f2b9b1b1361b5a5d91149a2d124c42831e4bb02e517e344de1afcf1
ssdeep: 6144:HMSk0/2T9aMKDnc+sPIIL5r0Rjzi3IYs2/hPOJyXwV9okVznIJ6sBk1q2sBfpTO:O0/oa7ncPJgR63IYhm2kVzIJLDNBA8n
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9  2017
Assembly Version: 1.0.0.0
InternalName: OfferTest.exe
FileVersion: 1.0.0.0
CompanyName: 
LegalTrademarks: 
Comments: 
ProductName: cpigoal
ProductVersion: 1.0.0.0
FileDescription: cpigoal
OriginalFilename: OfferTest.exe

Ransom.1644 also known as:

K7AntiVirus	Riskware ( 0040eff71 )
Lionic	Trojan.Win32.Malicious.4!c
Cynet	Malicious (score: 100)
ALYac	Gen:Variant.Ransom.1644
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_60% (D)
K7GW	Riskware ( 0040eff71 )
Cybereason	malicious.650bba
Symantec	ML.Attribute.HighConfidence
APEX	Malicious
Avast	Win32:Malware-gen
BitDefender	Gen:Variant.Ransom.1644
MicroWorld-eScan	Gen:Variant.Ransom.1644
Ad-Aware	Gen:Variant.Ransom.1644
Sophos	Generic ML PUA (PUA)
Comodo	Malware@#17hupn3o2bf5c
BitDefenderTheta	Gen:NN.ZemsilF.34142.ym0@aeMkplk
McAfee-GW-Edition	BehavesLike.Win32.Generic.fc
FireEye	Generic.mg.b5821e1650bba72c
Emsisoft	Gen:Variant.Ransom.1644 (B)
SentinelOne	Static AI – Malicious PE
eGambit	Unsafe.AI_Score_99%
Microsoft	Backdoor:Win32/Bladabindi!ml
GData	Gen:Variant.Ransom.1644
AhnLab-V3	Malware/Win32.RL_Generic.R268025
McAfee	Artemis!B5821E1650BB
Malwarebytes	MachineLearning/Anomalous.96%
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	PossibleThreat
AVG	Win32:Malware-gen
Paloalto	generic.ml

How to remove Ransom.1644?

Ransom.1644 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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