Trojan.Win32.Chapak.efxe

What is Trojan.Win32.Chapak.efxe infection?

In this article you will certainly find about the meaning of Trojan.Win32.Chapak.efxe and also its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by on-line frauds to require paying the ransom by a target.

In the majority of the situations, Trojan.Win32.Chapak.efxe ransomware will certainly instruct its victims to initiate funds transfer for the function of reducing the effects of the changes that the Trojan infection has presented to the victim’s gadget.

Trojan.Win32.Chapak.efxe 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.
  • Attempts to connect to a dead IP:Port (3 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 created a hidden window;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Russian;
  • 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 very long command line or script command which may be indicative of chained commands or obfuscation;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • 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 files situated on the sufferer’s hard disk drive — so the sufferer can no longer make use of the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
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Trojan.Win32.Chapak.efxe

One of the most normal networks whereby Trojan.Win32.Chapak.efxe Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of customer winding up on a source that organizes a malicious software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or avoid the tool from working in a proper way – while likewise putting a ransom note that states the demand for the sufferers to impact the settlement for the objective of decrypting the papers or bring back the file system back to the first condition. In the majority of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has actually currently been harmed.

Trojan.Win32.Chapak.efxe circulation channels.

In different edges of the world, Trojan.Win32.Chapak.efxe grows by leaps and also bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom money amount might differ depending upon particular neighborhood (local) settings. The ransom notes and also methods of obtaining the ransom money quantity might differ depending on particular local (regional) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the sufferer’s tool. The sharp after that requires the individual to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In nations where software application piracy is less prominent, this approach is not as reliable for the cyber scams. Additionally, the Trojan.Win32.Chapak.efxe popup alert might wrongly claim to be deriving from a law enforcement organization as well as will report having located youngster porn or other illegal data on the gadget.

    Trojan.Win32.Chapak.efxe popup alert might falsely declare to be acquiring from a regulation enforcement organization as well as will certainly report having situated kid pornography or other prohibited data on the device. The alert will in a similar way consist of a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 47941FD7md5: b826bb2b62dab956a48a12d4e27ea3a5name: eupanda.exesha1: b3dfdb88640cfad86d42d7f65bc70fb7831076c0sha256: 3933da33446b776c22ea0e84b7cc3e93a122be7960985231027a3be80a068759sha512: c15233dedf2fc24de8d8f5f01c63e98a2844c18303dc3b10528e1441067c1b1f85a32f417027ea90a7f4c82764cf2a53482300e8af54a4055c0cfa4c713c2c03ssdeep: 24576:AaOFh+ds0PWjESh0K/4UGz72So29Ps9cbGG8BS9BExfmnrthH3NVKsKvKkjm/Bq:EhiPcN/45z7p9PgYGG8BQBCqnNyKbBqtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Chapak.efxe also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Variant.Mikey.105842
ALYac Gen:Variant.Mikey.105842
Malwarebytes Trojan.Downloader
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Chapak.4!c
Sangfor Malware
K7AntiVirus Trojan-Downloader ( 005594821 )
BitDefender Gen:Variant.Mikey.105842
K7GW Trojan-Downloader ( 005594821 )
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.32519.0vW@ae7SRKjc
Cyren W32/Trojan.TMKR-6423
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.EWG
TrendMicro-HouseCall TROJ_GEN.R002C0WKT19
GData Gen:Variant.Mikey.105842
Kaspersky Trojan.Win32.Chapak.efxe
Alibaba TrojanDownloader:Win32/Generic.700ff7b1
NANO-Antivirus Trojan.Win32.Stealer.gkcbuu
ViRobot Trojan.Win32.Z.Agent.1913344
Rising Downloader.Agent!1.BB58 (CLASSIC)
Ad-Aware Gen:Variant.Mikey.105842
Emsisoft Gen:Variant.Fugrafa.8955 (B)
F-Secure Trojan.TR/Dldr.Agent.fqhnf
DrWeb Trojan.PWS.Stealer.27547
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Sophos Mal/Generic-S
APEX Malicious
Jiangmin Trojan.Chapak.iab
Webroot W32.Trojan.Gen
Avira TR/Dldr.Agent.fqhnf
Endgame malicious (high confidence)
Arcabit Trojan.Mikey.D19D72
AhnLab-V3 Malware/Win32.Generic.C3608974
ZoneAlarm Trojan.Win32.Chapak.efxe
Microsoft Trojan:Win32/Vidar.PA!MTB
Acronis suspicious
McAfee Artemis!B826BB2B62DA
MAX malware (ai score=81)
VBA32 BScope.TrojanRansom.Crusis
Panda Trj/CI.A
Ikarus Trojan.Win32.Agent
MaxSecure Trojan.Malware.74716726.susgen
Fortinet W32/Agent.ETU!tr.dldr
AVG FileRepMalware
CrowdStrike win/malicious_confidence_80% (W)
Qihoo-360 Win32/Trojan.33c

How to remove Trojan.Win32.Chapak.efxe 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan.Win32.Chapak.efxe you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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