Trojan.Ransom.ChaCha

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

What is Trojan.Ransom.ChaCha infection?

In this article you will discover regarding the interpretation of Trojan.Ransom.ChaCha and also its negative effect on your computer. Such ransomware are a type of malware that is specified by online fraudulences to demand paying the ransom money by a victim.

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In the majority of the instances, Trojan.Ransom.ChaCha ransomware will advise its targets to start funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s device.

Trojan.Ransom.ChaCha Summary

These adjustments can be as adheres to:

  • 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.
  • Attempts to connect to a dead IP:Port (2 unique times);
  • 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 attempted to delay the analysis task.;
  • A process created a hidden window;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Exhibits possible ransomware file modification behavior;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s hard disk — so the target can no more make use of the information;
  • Preventing normal accessibility to the victim’s workstation;

Trojan.Ransom.ChaCha

One of the most typical networks where Trojan.Ransom.ChaCha Ransomware are injected are:

  • By means of phishing emails;
  • As an effect of individual winding up on a source that organizes a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s PC or stop the tool from operating in an appropriate way – while also putting a ransom money note that discusses the demand for the victims to impact the repayment for the objective of decrypting the documents or bring back the documents system back to the first problem. In a lot of instances, the ransom money note will certainly turn up when the customer restarts the PC after the system has actually currently been damaged.

Trojan.Ransom.ChaCha circulation networks.

In numerous edges of the globe, Trojan.Ransom.ChaCha grows by jumps as well as bounds. Nevertheless, the ransom money notes and methods of obtaining the ransom money amount might differ depending upon specific local (regional) setups. The ransom notes as well as tricks of extorting the ransom money amount may differ depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software program.

    In specific areas, the Trojans often wrongfully report having identified some unlicensed applications enabled on the sufferer’s device. The alert then requires the customer to pay the ransom.

    Faulty statements regarding prohibited web content.

    In nations where software program piracy is less preferred, this technique is not as reliable for the cyber fraudulences. Alternatively, the Trojan.Ransom.ChaCha popup alert may wrongly declare to be deriving from a police institution and will certainly report having located kid porn or various other illegal data on the device.

    Trojan.Ransom.ChaCha popup alert might wrongly claim to be deriving from a law enforcement organization and also will certainly report having located kid pornography or various other prohibited data on the device. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 433A57A0
md5: e3648731a36105980f5fae6b4afe614b
name: officeupd.fft
sha1: 85db743d14fbd83f893ec34dbdf57d0344e16156
sha256: 877c735650488f81807239a0ca564c8faa660a8c9141a9aba2049b9fe1d5b2fb
sha512: dcf4742b7c059f4580d9bbee1c5e444eb37bc1ab4c183bb7697ac33cc8d74a2d2ad9016ba1dc6429deb31d7fc1cd101d3544806411682d49147b4fc08b0eea2f
ssdeep: 12288:3qhfOhBJUmIa4cQ5VSdQpRSZZLPwPqnk7HLhPQ9dLz6D:I9dXrEEw/PwP4k71I9dLz6D
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Ransom.ChaCha also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.Encoder.30215
MicroWorld-eScan Gen:Variant.Razy.586549
McAfee Artemis!E3648731A361
Malwarebytes Trojan.Injector
Sangfor Malware
K7AntiVirus Trojan ( 0055c6211 )
BitDefender Trojan.GenericKD.32762293
K7GW Trojan ( 0055c6211 )
Cybereason malicious.d14fbd
BitDefenderTheta Gen:NN.ZexaF.32515.fvW@a0xk7!di
Symantec Downloader
APEX Malicious
ClamAV Win.Trojan.Agent-7412843-0
GData Trojan.GenericKD.32762293
Kaspersky Trojan-Ransom.Win32.Agent.avzu
AegisLab Trojan.Win32.Malicious.4!c
Rising [email protected] (RDMK:rUN0MZOa0Bol/tTHexDcew)
Endgame malicious (high confidence)
Sophos Mal/Generic-S
F-Secure Trojan.TR/Crypt.Agent.ykspw
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.VBObfus.tt
Ikarus Trojan.Win32.Inject
Cyren W32/Trojan.VBUD-1977
Webroot W32.Adware.Gen
Avira TR/Crypt.Agent.ykspw
MAX malware (ai score=85)
Arcabit Trojan.Razy.D8F335
ZoneAlarm Trojan-Ransom.Win32.Agent.avzu
Microsoft Trojan:Win32/Occamy.C
Acronis suspicious
ALYac Trojan.Ransom.ChaCha
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Kryptik.GYWN
TrendMicro-HouseCall TROJ_FRS.VSNTKS19
SentinelOne DFI – Malicious PE
Ad-Aware Trojan.GenericKD.32762293
AVG FileRepMalware
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 HEUR/QVM19.1.81F7.Malware.Gen

How to remove Trojan.Ransom.ChaCha 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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 install-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.ChaCha 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.ChaCha 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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