Trojan.Zbot

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

What is Trojan.Zbot infection?

In this post you will certainly locate about the meaning of Trojan.Zbot as well as its adverse effect on your computer. Such ransomware are a form of malware that is clarified by on the internet fraudulences to require paying the ransom by a victim.

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In the majority of the cases, Trojan.Zbot infection will certainly advise its targets to initiate funds transfer for the function of counteracting the changes that the Trojan infection has actually presented to the target’s device.

Trojan.Zbot Summary

These adjustments can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • 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;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s hard disk — so the victim can no more make use of the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan.Zbot

The most typical networks whereby Trojan.Zbot Ransomware are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that hosts a harmful software;

As soon as the Trojan is successfully infused, it will either cipher the information on the target’s computer or avoid the device from functioning in a correct manner – while additionally placing a ransom money note that states the requirement for the targets to impact the payment for the function of decrypting the records or restoring the file system back to the first problem. In most circumstances, the ransom money note will show up when the client reboots the COMPUTER after the system has already been damaged.

Trojan.Zbot distribution channels.

In various corners of the globe, Trojan.Zbot grows by leaps and also bounds. Nevertheless, the ransom notes and tricks of extorting the ransom amount might vary depending on certain regional (regional) setups. The ransom money notes as well as tricks of obtaining the ransom quantity might differ depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations about illegal material.

    In countries where software application piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Additionally, the Trojan.Zbot popup alert may wrongly assert to be deriving from a police establishment and will report having located youngster pornography or various other unlawful data on the gadget.

    Trojan.Zbot popup alert might incorrectly declare to be acquiring from a law enforcement organization and will report having situated youngster porn or other prohibited information on the gadget. The alert will in a similar way include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 0171F331
md5: c366096c920e7d93aaa374032627362f
name: C366096C920E7D93AAA374032627362F.mlw
sha1: 7ce5c357f7ce8b913153aa760868945cda172872
sha256: 7b7cb8d6ac0afde048e82941dd7111f2596637f99fb8be826cbe9bd38c2e3c04
sha512: 1d26ed3a5bb88d90f9a294fa88ea7a3fa237a50e866b906d2bec4230ce4222dc7b4b2857cfe1e119a383224f3913ecaaab75f69629cf48209095d299895987f4
ssdeep: 6144:27pRIQLUZC5K4cgH297VsanFft9Y5hclqbEi1Awvnp1pnKKSguioWIi:2PKZC5JpavftO5hcl3iRvp1pnKMOi
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Zbot also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 004f11891 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Panda.12884
CynetMalicious (score: 100)
ALYacGen:Variant.Fugrafa.105432
CylanceUnsafe
ZillyaTrojan.Foreign.Win32.57774
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/Foreign.4eea7bdd
K7GWTrojan ( 004f11891 )
Cybereasonmalicious.c920e7
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.EZAD
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Foreign.nutp
BitDefenderGen:Variant.Fugrafa.105432
NANO-AntivirusTrojan.Win32.Panda.evsfbv
MicroWorld-eScanGen:Variant.Fugrafa.105432
TencentWin32.Trojan.Foreign.Swug
Ad-AwareGen:Variant.Fugrafa.105432
SophosML/PE-A + Mal/Ransom-EE
ComodoTrojWare.Win32.Zbot.EZXT@7tgdwr
BitDefenderThetaAI:Packer.FFFFF77720
VIPREVirus.Win32.sivis.a (v)
McAfee-GW-EditionBehavesLike.Win32.Sivis.fc
FireEyeGeneric.mg.c366096c920e7d93
EmsisoftGen:Variant.Fugrafa.105432 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Dropper.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftPWS:Win32/Zbot
ArcabitTrojan.Fugrafa.D19BD8
GDataGen:Variant.Fugrafa.105432
AhnLab-V3Trojan/Win32.Foreign.C2282949
Acronissuspicious
McAfeeGenericRXDZ-EC!C366096C920E
MAXmalware (ai score=96)
VBA32TrojanRansom.Foreign
MalwarebytesTrojan.Zbot
PandaTrj/GdSda.A
RisingRansom.Foreign!8.292 (CLOUD)
IkarusTrojan.Crypt
FortinetW32/Kryptik.FCAB!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Zbot.HgIASOkA

How to remove Trojan.Zbot 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.Zbot 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Zbot 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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