Written by Robert Bailey

What is TrojanProxy:Win32/Bunitu.Q!bit infection?

In this post you will discover concerning the interpretation of TrojanProxy:Win32/Bunitu.Q!bit and its negative influence on your computer. Such ransomware are a form of malware that is specified by on the internet scams to require paying the ransom by a sufferer.

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In the majority of the situations, TrojanProxy:Win32/Bunitu.Q!bit infection will certainly advise its targets to initiate funds move for the objective of neutralizing the modifications that the Trojan infection has introduced to the victim’s tool.

TrojanProxy:Win32/Bunitu.Q!bit Summary

These adjustments can be as complies with:

  • 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;
  • Uses Windows utilities for basic functionality;
  • 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 identify installed AV products by registry key;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s disk drive — so the victim can no more utilize the information;
  • Preventing normal accessibility to the victim’s workstation;

Related domains: Ransom.Cerber.A4 Ransom.Cerber.A4


The most common networks where TrojanProxy:Win32/Bunitu.Q!bit Ransomware are injected are:

  • By means of phishing emails;
  • As an effect of user ending up on a resource that holds a destructive software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the target’s computer or protect against the device from functioning in an appropriate way – while additionally placing a ransom money note that points out the requirement for the targets to effect the settlement for the purpose of decrypting the files or restoring the data system back to the first condition. In a lot of instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has currently been harmed.

TrojanProxy:Win32/Bunitu.Q!bit circulation channels.

In numerous edges of the world, TrojanProxy:Win32/Bunitu.Q!bit grows by leaps and bounds. However, the ransom money notes and tricks of obtaining the ransom money amount may differ depending upon certain neighborhood (regional) settings. The ransom money notes as well as methods of extorting the ransom quantity may vary depending on specific neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the victim’s gadget. The alert after that demands the customer to pay the ransom.

    Faulty declarations about unlawful web content.

    In nations where software application piracy is much less preferred, this method is not as effective for the cyber frauds. Alternatively, the TrojanProxy:Win32/Bunitu.Q!bit popup alert might falsely declare to be originating from a law enforcement institution as well as will certainly report having located child porn or other prohibited information on the gadget.

    TrojanProxy:Win32/Bunitu.Q!bit popup alert may incorrectly claim to be acquiring from a legislation enforcement establishment as well as will report having located youngster pornography or various other unlawful data on the device. The alert will in a similar way have a need for the user to pay the ransom.

Technical details

File Info:

crc32: C4557835
md5: f3262cf1fc20d46582975e19731fffb6
name: F3262CF1FC20D46582975E19731FFFB6.mlw
sha1: d23541428590e2857083b99f0295b6a98c6c64df
sha256: fd581460de1fc1a912cba1648656cc057f90cb46f160bf93cb5154d6303de7a3
sha512: 404f28fde2429c6190add7b2d9f9eaf9f5b3926ae58c493345c6a4cbd7a476d0819530e717b7e188c4bf551d71dfad3b024cdd919c30316e4117ddb16f2e7904
ssdeep: 3072:/Y0cpwE5T1mi3bQEtAscyIdytBrMOvwJVg7vMY3nTc6gYQEFkkgEPpTth4Q5dT+:fB63bQ1sRQyDpvE8VLg6hL9
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileDescription: DAP Error Report
CompanyName: Speedbit Ltd.
Translation: 0x0409 0x04b0

TrojanProxy:Win32/Bunitu.Q!bit also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Injector.CKN
CAT-QuickHeal Ransom.Cerber.A4
Qihoo-360 Generic/Trojan.e72
McAfee Packed-MU!F3262CF1FC20
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Malicious.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0050c0801 )
BitDefender Trojan.Injector.CKN
K7GW Trojan ( 0050c0801 )
Cybereason malicious.1fc20d
BitDefenderTheta Gen:NN.ZexaF.34804.Kq0@aGzxPkai
Cyren W32/S-43e50be1!Eldorado
Symantec Trojan Horse
Baidu Win32.Trojan.Kryptik.bix
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Malware.Ceao-6982077-0
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Bunitu.ali1000105
NANO-Antivirus Trojan.Win32.Yakes.elxlir
Rising Trojan.Kryptik!1.A877 (CLOUD)
Ad-Aware Trojan.Injector.CKN
Sophos Mal/Generic-S + Mal/CerberN-A
Comodo TrojWare.Win32.Ransom.Cerber.BF@6tebck
F-Secure Heuristic.HEUR/AGEN.1106825
DrWeb Trojan.Siggen7.9985
Zillya Trojan.Yakes.Win32.63281
TrendMicro Ransom_HPCERBER.SMALY5A
Emsisoft Trojan.Injector.CKN (B)
Ikarus Trojan-Proxy.Agent
Jiangmin Trojan.Yakes.ugu
Avira HEUR/AGEN.1106825
MAX malware (ai score=81)
Antiy-AVL Trojan/Win32.Yakes
Microsoft TrojanProxy:Win32/Bunitu.Q!bit
Arcabit Trojan.Injector.CKN
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Injector.CKN
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/RansomCrypt.Gen
Acronis suspicious
VBA32 BScope.Trojan.Menti
Malwarebytes Generic.Trojan.Malicious.DDS
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.FONP
TrendMicro-HouseCall Ransom_HPCERBER.SMALY5A
Tencent Malware.Win32.Gencirc.10b57814
Yandex Trojan.GenAsa!48GFITBYl2M
SentinelOne Static AI – Malicious PE – Ransomware
eGambit Unsafe.AI_Score_100%
Fortinet W32/Kryptik.HGZD!tr
AVG Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove TrojanProxy:Win32/Bunitu.Q!bit 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

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 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 TrojanProxy:Win32/Bunitu.Q!bit 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 TrojanProxy:Win32/Bunitu.Q!bit you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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