Win32/Kryptik.EVBN

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

What is Win32/Kryptik.EVBN infection?

In this short article you will locate about the meaning of Win32/Kryptik.EVBN as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom by a victim.

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In the majority of the instances, Win32/Kryptik.EVBN ransomware will advise its sufferers to start funds move for the purpose of counteracting the amendments that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.EVBN Summary

These adjustments 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the records situated on the sufferer’s hard disk — so the sufferer can no more use the data;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzTrojan.Ransom.Cerber.1
a.tomx.xyzTrojan.Ransom.Cerber.1

Win32/Kryptik.EVBN

One of the most regular channels whereby Win32/Kryptik.EVBN Ransomware are injected are:

  • By means of phishing e-mails;
  • As an effect of user ending up on a resource that holds a malicious software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or avoid the tool from operating in a correct fashion – while likewise placing a ransom money note that discusses the demand for the victims to impact the repayment for the objective of decrypting the records or restoring the documents system back to the initial problem. In most instances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.EVBN distribution channels.

In different edges of the globe, Win32/Kryptik.EVBN grows by jumps as well as bounds. However, the ransom notes as well as tricks of extorting the ransom quantity might vary relying on specific local (local) settings. The ransom notes and methods of obtaining the ransom amount may vary depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having discovered some unlicensed applications allowed on the sufferer’s tool. The alert then requires the user to pay the ransom money.

    Faulty declarations concerning unlawful material.

    In nations where software application piracy is less prominent, this approach is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.EVBN popup alert may wrongly claim to be stemming from a police institution as well as will report having located youngster pornography or other unlawful information on the device.

    Win32/Kryptik.EVBN popup alert may falsely claim to be deriving from a regulation enforcement organization and also will certainly report having situated child pornography or various other unlawful information on the gadget. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 85FB4519
md5: aa5e0972ac7e4d1c71afe1374f4b2a44
name: AA5E0972AC7E4D1C71AFE1374F4B2A44.mlw
sha1: ceb3784b789572846bb6d9ab78f7ab86f1d3f528
sha256: f1d08d6c86ebbc8cd8e0d6cf2776e3df0eb3185a14af2d631be65faa2ecff4f4
sha512: bfdb90ba6cdee53fb5256dcac2ca5e4ccfa495420c7b97a33fce245e8bba46b890c1ec1ebe3143cae4d8295277a86c1225bfcedf1c9661be9be25b4c69b5cc0d
ssdeep: 3072:EGxlsu131fONl8KMpV/ECkM3+1yZMMUN1WShZHz+xIsTe7mCW8dUHVsp238MKc38:E+131d3jkMIyZC59AvCW8dFR6Vpo1/
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2012
InternalName: pack200
FileVersion: 7.0.40.20
Full Version: 1.7.0_04-b20
CompanyName: Oracle Corporation
ProductName: Java(TM) Platform SE 7 U4
ProductVersion: 7.0.40.20
FileDescription: Java(TM) Platform SE binary
OriginalFilename: pack200.exe
Translation: 0x0000 0x04b0

Win32/Kryptik.EVBN also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.Cerber.1
FireEyeGeneric.mg.aa5e0972ac7e4d1c
CAT-QuickHealSoftwarebundler.Ogimant.ZZ4
McAfeeTrojan-FORM!AA5E0972AC7E
MalwarebytesGeneric.Malware/Suspicious
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderTrojan.Ransom.Cerber.1
K7GWTrojan ( 005224381 )
K7AntiVirusTrojan ( 005224381 )
BitDefenderThetaGen:NN.ZexaF.34590.mq1@aOKWj5ni
CyrenW32/Cerber.A2.gen!Eldorado
SymantecPacked.Generic.459
BaiduWin32.Trojan.Kryptik.alb
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Cerber-9816006-0
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Kryptik.evlnuu
AegisLabTrojan.Win32.Generic.4!c
TencentWin32.Trojan.Generic.Lnek
Ad-AwareTrojan.Ransom.Cerber.1
SophosML/PE-A + Mal/Cerber-B
ComodoTrojWare.Win32.Kryptik.ERJ@6l0vie
F-SecureTrojan.TR/Crypt.ZPACK.Gen2
TrendMicroRansom_CERBER.SMEJ1
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Crypt.ZPACK.Gen2
Antiy-AVLTrojan/Win32.AGeneric
MicrosoftTrojan:Win32/Tiggre!rfn
ArcabitTrojan.Ransom.Cerber.1
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.Cerber.1
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Lukitus2.Exp
Acronissuspicious
VBA32BScope.Trojan.Tiggre
ALYacTrojan.Ransom.Cerber.1
MAXmalware (ai score=100)
CylanceUnsafe
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.EVBN
TrendMicro-HouseCallRansom_CERBER.SMEJ1
RisingRansom.Cerber!8.3058 (CLOUD)
IkarusTrojan.Win32.Crypt
eGambitUnsafe.AI_Score_99%
FortinetW32/Kryptik.HCAW!tr
AVGWin32:Malware-gen
Cybereasonmalicious.2ac7e4
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Ransom.c9a

How to remove Win32/Kryptik.EVBN 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.EVBN 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.EVBN 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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