Win32/Kryptik.FLTJ

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Kryptik.FLTJ infection?

In this article you will locate concerning the meaning of Win32/Kryptik.FLTJ and also its adverse effect on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom by a target.

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Most of the cases, Win32/Kryptik.FLTJ ransomware will certainly advise its victims to start funds transfer for the objective of neutralizing the modifications that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.FLTJ Summary

These alterations can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Mimics the system’s user agent string for its own requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Exhibits behavior characteristic of Locky ransomware;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s disk drive — so the victim can no longer use the information;
  • Preventing regular accessibility to the target’s workstation;

Win32/Kryptik.FLTJ

The most common channels whereby Win32/Kryptik.FLTJ Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of individual ending up on a source that holds a harmful software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the target’s computer or stop the tool from working in a proper way – while also positioning a ransom note that discusses the need for the victims to impact the payment for the function of decrypting the records or bring back the file system back to the initial condition. In a lot of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has currently been damaged.

Win32/Kryptik.FLTJ circulation channels.

In different edges of the world, Win32/Kryptik.FLTJ expands by jumps as well as bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money amount might vary relying on particular local (regional) setups. The ransom notes and also tricks of obtaining the ransom amount may differ depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having actually found some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the customer to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software application piracy is much less prominent, this method is not as reliable for the cyber frauds. Conversely, the Win32/Kryptik.FLTJ popup alert may wrongly assert to be originating from a law enforcement organization and also will certainly report having situated youngster porn or other illegal data on the gadget.

    Win32/Kryptik.FLTJ popup alert might wrongly claim to be obtaining from a law enforcement establishment as well as will report having situated youngster porn or other illegal data on the gadget. The alert will in a similar way contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: A4882E1F
md5: a78eb4c33fce2993406a156b79192efa
name: A78EB4C33FCE2993406A156B79192EFA.mlw
sha1: 5f00f7025973fe0582364cbc4c5120bd5cbd3f2d
sha256: 698e18fcd4e3509d6c6a6cfe7f3fbcbe689cf30994b8f453ebee18bd2d66ed5b
sha512: 8c8038e03201df48fef097535d4bf05bf34a2ffad09c122bc22b8a1608a7651c20e4c25da55e3f9a08ede40ccb7d05e105981cd4e8942c611abd78dd277c870f
ssdeep: 3072:nvCgqrNY6v2ulAmHDDXCkEfEQUTL69GvPHTNc7Vvg3WJygh8i:nvTqrvzlbDDXrAcjHxc7lgxi
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FLTJ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00515aa21 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3976
CynetMalicious (score: 100)
CAT-QuickHealRansom.Cerber.ZZ5
ALYacGen:Variant.Ransom.Locky.173
CylanceUnsafe
ZillyaTrojan.Locky.Win32.3911
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/generic.ali2000010
K7GWTrojan ( 00515aa21 )
Cybereasonmalicious.33fce2
CyrenW32/Cerber.AU.gen!Eldorado
SymantecPacked.Generic.493
ESET-NOD32a variant of Win32/Kryptik.FLTJ
APEXMalicious
AvastWin32:Filecoder-BD [Trj]
KasperskyTrojan-Ransom.Win32.Cryptor.bai
BitDefenderGen:Variant.Ransom.Locky.173
NANO-AntivirusTrojan.Win32.Cryptor.evfsvi
MicroWorld-eScanGen:Variant.Ransom.Locky.173
TencentWin32.Trojan.Cryptor.Lnek
Ad-AwareGen:Variant.Ransom.Locky.173
SophosML/PE-A + Mal/Elenoocka-E
ComodoMalware@#1fo7xuvuzqrr3
BitDefenderThetaGen:NN.ZexaF.34608.kqW@aa8MVJli
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CERBER.SM3B
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
FireEyeGeneric.mg.a78eb4c33fce2993
EmsisoftGen:Variant.Ransom.Locky.173 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1105007
MicrosoftRansom:Win32/Locky.A
AegisLabTrojan.Win32.Generic.4!c
GDataGen:Variant.Ransom.Locky.173
AhnLab-V3Malware/Gen.Generic.C1714440
Acronissuspicious
McAfeeRansomware-GDA!A78EB4C33FCE
MAXmalware (ai score=100)
VBA32Trojan-Ransom.Cryptor
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_CERBER.SM3B
RisingRansom.Agent!8.6B7 (CLOUD)
IkarusTrojan-Ransom.Spora
FortinetW32/Kryptik.GKKB!tr
AVGWin32:Filecoder-BD [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Cryptor.HgIASOoA

How to remove Win32/Kryptik.FLTJ virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Kryptik.FLTJ files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Kryptik.FLTJ you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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