Win32/Kryptik.FBOJ

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

What is Win32/Kryptik.FBOJ infection?

In this short article you will discover about the meaning of Win32/Kryptik.FBOJ and its negative influence on your computer system. Such ransomware are a form of malware that is specified by online frauds to require paying the ransom by a target.

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Most of the cases, Win32/Kryptik.FBOJ virus will certainly instruct its victims to launch funds move for the objective of reducing the effects of the changes that the Trojan infection has actually presented to the victim’s device.

Win32/Kryptik.FBOJ Summary

These alterations can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the sufferer’s hard disk — so the target can no longer utilize the data;
  • Preventing regular accessibility to the target’s workstation;

Win32/Kryptik.FBOJ

One of the most typical networks where Win32/Kryptik.FBOJ Ransomware are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of customer ending up on a resource that organizes a malicious software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or avoid the tool from working in a proper fashion – while likewise positioning a ransom note that states the requirement for the targets to effect the repayment for the purpose of decrypting the documents or recovering the file system back to the preliminary condition. In a lot of circumstances, the ransom money note will turn up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.FBOJ circulation networks.

In various edges of the globe, Win32/Kryptik.FBOJ grows by jumps as well as bounds. However, the ransom money notes and also methods of obtaining the ransom money quantity may vary relying on certain neighborhood (regional) settings. The ransom notes and also methods of extorting the ransom amount may vary depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having spotted some unlicensed applications made it possible for on the target’s gadget. The sharp after that requires the individual to pay the ransom.

    Faulty declarations about unlawful material.

    In nations where software piracy is less preferred, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/Kryptik.FBOJ popup alert might wrongly assert to be deriving from a law enforcement establishment and also will certainly report having located child porn or other illegal information on the device.

    Win32/Kryptik.FBOJ popup alert may wrongly assert to be acquiring from a legislation enforcement institution and also will certainly report having located youngster pornography or other illegal information on the device. The alert will likewise have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: B529465B
md5: a5ce3a07591991f1b3eaf50c4c3df3d4
name: A5CE3A07591991F1B3EAF50C4C3DF3D4.mlw
sha1: 9527ce70fa1d61a01435f9030baeb17fef547965
sha256: 51ab71a9a53332035472d7861f00c582c322f4b06abb34ff25c989627ff67b18
sha512: b00bfa3ef396fe6e0efe2617fadd45a68fd539da2d64b5d914184868113dca27b1834a1956902bd6b3436d23dfabd089dcd90f31e3d1ccf0aae1eeff4b1b5a74
ssdeep: 3072:x2hz8dkXX7x1PSOcXdkGrYe4dKdBW36yDFPxKqUqrtcrQquoQAkD:x2qC/dcXHD4MBWF/UqxiBVZ4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: (c) Angus Johnson 1999-2002
InternalName: ResHack
FileVersion: 3.4.0.79
CompanyName:
LegalTrademarks:
FileDescription: Resource viewer
OriginalFilename: ResHack
Translation: 0x0c09 0x04e4

Win32/Kryptik.FBOJ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 004f54101 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Panda.4795
CynetMalicious (score: 100)
McAfeeGenericRXCD-UZ!A5CE3A075919
CylanceUnsafe
ZillyaTrojan.Foreign.Win32.56992
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 004f54101 )
Cybereasonmalicious.759199
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.FBOJ
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Dropper.Zeus-9809557-0
KasperskyTrojan-Ransom.Win32.Foreign.nrte
BitDefenderGen:Variant.Deliric.6
NANO-AntivirusTrojan.Win32.Panda.eviiwk
MicroWorld-eScanGen:Variant.Deliric.6
TencentMalware.Win32.Gencirc.10ba978c
Ad-AwareGen:Variant.Deliric.6
SophosMal/Generic-R + Mal/Ransom-EE
ComodoTrojWare.Win32.Zbot.EZXT@7tgdwr
BitDefenderThetaGen:NN.ZexaF.34608.lu1@aeYP@Noi
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Ramnit.cc
FireEyeGeneric.mg.a5ce3a07591991f1
EmsisoftGen:Variant.Deliric.6 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1121477
eGambitUnsafe.AI_Score_99%
MicrosoftPWS:Win32/Zbot
ArcabitTrojan.Deliric.6
GDataGen:Variant.Deliric.6
TACHYONTrojan-Spy/W32.ZBot.183296.BW
AhnLab-V3Trojan/Win32.Foreign.C2266274
Acronissuspicious
VBA32TrojanRansom.Foreign
MAXmalware (ai score=99)
MalwarebytesZbot.Trojan.Stealer.DDS
PandaTrj/CI.A
RisingRansom.Foreign!8.292 (CLOUD)
IkarusTrojan-Ransom.Foreign
FortinetW32/Kryptik.EZAD!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Backdoor.Zbot.J

How to remove Win32/Kryptik.FBOJ virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.FBOJ 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.FBOJ 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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