Trojan-Ransom.Win32.Zerber.ekjk

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

What is Trojan-Ransom.Win32.Zerber.ekjk infection?

In this post you will locate about the interpretation of Trojan-Ransom.Win32.Zerber.ekjk as well as its adverse impact on your computer. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom money by a victim.

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In the majority of the situations, Trojan-Ransom.Win32.Zerber.ekjk ransomware will instruct its victims to initiate funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the target’s tool.

Trojan-Ransom.Win32.Zerber.ekjk 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.
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the sufferer’s disk drive — so the sufferer can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;

Trojan-Ransom.Win32.Zerber.ekjk

The most normal networks through which Trojan-Ransom.Win32.Zerber.ekjk are injected are:

  • By means of phishing e-mails;
  • As a repercussion of user ending up on a resource that hosts a harmful software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s computer or protect against the device from functioning in an appropriate fashion – while additionally positioning a ransom money note that discusses the need for the sufferers to impact the settlement for the purpose of decrypting the records or recovering the data system back to the preliminary condition. In many circumstances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually already been damaged.

Trojan-Ransom.Win32.Zerber.ekjk distribution channels.

In various edges of the globe, Trojan-Ransom.Win32.Zerber.ekjk grows by leaps as well as bounds. Nevertheless, the ransom money notes as well as methods of obtaining the ransom money amount may vary depending on particular local (regional) setups. The ransom notes and also tricks of obtaining the ransom money amount might vary depending on particular local (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually spotted some unlicensed applications made it possible for on the target’s device. The sharp then requires the user to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software application piracy is much less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the Trojan-Ransom.Win32.Zerber.ekjk popup alert may wrongly claim to be stemming from a police establishment and will report having located kid pornography or other prohibited information on the gadget.

    Trojan-Ransom.Win32.Zerber.ekjk popup alert might wrongly assert to be deriving from a law enforcement institution and also will certainly report having situated kid porn or other illegal data on the gadget. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 0C3AEFBD
md5: 7eaf137f66eb522a7912705049d024b5
name: 7EAF137F66EB522A7912705049D024B5.mlw
sha1: 8b34f5716b6d0ee03e1b74b65767164b4980b4aa
sha256: 94a7864cb1579fa27de60ba81cb26978eaf750cdd7841a92fcba50f137291e56
sha512: 90212e52cbb4a80bad81c474a636377780e6ca82fe76459b03d28697dbc73a2af3f8a6c5003211af942d3c92619c4b9ba68adf93a64652209da65de87dd7257f
ssdeep: 6144:SzfCh8VsAXYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYQgJg9flqxIcwIx9GB1dU5DT:A+DpdqBrPsYRT
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Zerber.ekjk also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00515aa21 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.4691
CynetMalicious (score: 100)
ALYacGen:Trojan.Heur3.LPT.puW@aO!ftbnab
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Cerber.6c5944b8
K7GWTrojan ( 00513fe01 )
Cybereasonmalicious.f66eb5
CyrenW32/Ransom.FW.gen!Eldorado
SymantecPacked.Generic.493
ESET-NOD32Win32/Filecoder.Cerber.W
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Zerber.ekjk
BitDefenderGen:Trojan.Heur3.LPT.puW@aO!ftbnab
NANO-AntivirusTrojan.Win32.Zerber.errntp
MicroWorld-eScanGen:Trojan.Heur3.LPT.puW@aO!ftbnab
TencentWin32.Trojan.Zerber.Altf
Ad-AwareGen:Trojan.Heur3.LPT.puW@aO!ftbnab
SophosML/PE-A + Mal/Elenoocka-E
ComodoMalware@#22iidfztf4sxe
BitDefenderThetaAI:Packer.203B31C621
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CERBER.F117H8
McAfee-GW-EditionBehavesLike.Win32.PWSZbot.dc
FireEyeGeneric.mg.7eaf137f66eb522a
EmsisoftGen:Trojan.Heur3.LPT.puW@aO!ftbnab (B)
JiangminTrojan.Zerber.dbb
AviraHEUR/AGEN.1109523
MicrosoftRansom:Win32/Cerber.L!bit
AegisLabTrojan.Win32.Zerber.j!c
ZoneAlarmTrojan-Ransom.Win32.Zerber.ekjk
GDataGen:Trojan.Heur3.LPT.puW@aO!ftbnab
AhnLab-V3Trojan/Win32.Cerber.R206322
Acronissuspicious
McAfeeRansomware-GEF!7EAF137F66EB
MAXmalware (ai score=87)
VBA32BScope.TrojanRansom.Zerber
MalwarebytesMalware.Heuristic.1001
PandaTrj/CI.A
TrendMicro-HouseCallRansom_CERBER.F117H8
RisingRansom.Cerber!8.3058 (CLOUD)
YandexTrojan.Filecoder!TUPXxl2q280
SentinelOneStatic AI – Malicious PE
FortinetW32/Kryptik.GKVH!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Cerber.HxMBAtIA

How to remove Trojan-Ransom.Win32.Zerber.ekjk 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 Trojan-Ransom.Win32.Zerber.ekjk 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 Trojan-Ransom.Win32.Zerber.ekjk 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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