Katusha.3

Written by Robert Bailey

What is Katusha.3 infection?

In this short article you will certainly locate concerning the interpretation of Katusha.3 and its unfavorable impact on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom money by a sufferer.

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In the majority of the instances, Katusha.3 infection will certainly instruct its targets to initiate funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the target’s gadget.

Katusha.3 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 (1 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.
  • Starts servers listening on 127.0.0.1:50370;
  • 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.

  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Creates a copy of itself;
  • 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 target can no more make use of the data;
  • Preventing routine access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Static AI – Malicious PE – Ransomware
a.tomx.xyz Static AI – Malicious PE – Ransomware
xinmin.cn Static AI – Malicious PE – Ransomware
checkserverstatux.com Static AI – Malicious PE – Ransomware
protectyourpc-11.com Static AI – Malicious PE – Ransomware
whysohardx.com Static AI – Malicious PE – Ransomware

Katusha.3

One of the most typical networks through which Katusha.3 Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of customer winding up on a source that holds a harmful software program;

As soon as the Trojan is efficiently injected, it will either cipher the information on the victim’s computer or stop the tool from operating in a proper fashion – while likewise positioning a ransom money note that points out the need for the targets to effect the repayment for the purpose of decrypting the files or recovering the data system back to the first problem. In most instances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Katusha.3 circulation channels.

In different edges of the globe, Katusha.3 grows by jumps and also bounds. However, the ransom notes and also methods of obtaining the ransom money quantity may vary depending on certain neighborhood (regional) setups. The ransom notes as well as tricks of extorting the ransom amount might differ depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the victim’s tool. The sharp then requires the user to pay the ransom money.

    Faulty declarations about prohibited web content.

    In nations where software application piracy is less prominent, this method is not as effective for the cyber frauds. Conversely, the Katusha.3 popup alert might wrongly claim to be originating from a police establishment and also will report having located child porn or other illegal information on the gadget.

    Katusha.3 popup alert might falsely claim to be obtaining from a legislation enforcement institution and will report having situated child porn or other prohibited data on the gadget. The alert will likewise have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 3D7A7F42
md5: 0682f305d4112e1b2e17eafc25dc0fa6
name: 0682F305D4112E1B2E17EAFC25DC0FA6.mlw
sha1: 5489c9ad03d276db71d8dfd4722c2134cb6b52f3
sha256: f91b7766c915782b6b4c2bd93d71330301571786681f2a5fcef7c03ec016d4cb
sha512: 6813ff3a72aca7e473bb55babad9c796f46c8f3fd978307782167fab92b09d758424167321f10ef24a459d9a4b0a14f0ecdd26b5862dabc6d1983e5789114715
ssdeep: 1536:qL6HFdDoO75dEDvZ1Ax+EfqXPO5QiHnCGH+tX+JGUJwfw1CRTsHuCr:qm/Dx75dzfqfO5bHX+t6wfFpsO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Katusha.3 also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Katusha.3
ALYac Gen:Variant.Katusha.3
Cylance Unsafe
VIPRE Trojan.Win32.Kryptik.agfl (v)
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0055dd191 )
BitDefender Gen:Variant.Katusha.3
K7GW Trojan ( 0055dd191 )
CrowdStrike win/malicious_confidence_100% (D)
Cyren W32/Goolbot.A.gen!Eldorado
Symantec Backdoor.Cycbot!gen1
TotalDefense Win32/Cycbot.DC
APEX Malicious
Avast Win32:Mystic
ClamAV Win.Trojan.Agent-245521
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Goolbot.dekpbl
ViRobot Backdoor.Win32.A.Goolbot.103424.A
Rising Malware.Undefined!8.C (TFE:2:t3p7Vof3pwS)
Ad-Aware Gen:Variant.Katusha.3
TACHYON Trojan/W32.Katusha.103424.H
Emsisoft Gen:Variant.Katusha.3 (B)
Comodo Malware@#14f91i04b8ttz
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb Trojan.DownLoader1.34829
Zillya Backdoor.Goolbot.Win32.173
McAfee-GW-Edition BehavesLike.Win32.Trojan.cc
FireEye Generic.mg.0682f305d4112e1b
Sophos ML/PE-A + Mal/EncPk-HJC
Ikarus Backdoor.Win32.Goolbot
Jiangmin Packed.Katusha.wcb
eGambit Unsafe.AI_Score_72%
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan[Backdoor]/Win32.Goolbot
Kingsoft Win32.Hack.Goolbot.ix.(kcloud)
Microsoft Trojan:Win32/Bulta!rfn
Arcabit Trojan.Katusha.3
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Katusha.3
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Downloader.R8391
Acronis suspicious
McAfee BackDoor-EXI.m
MAX malware (ai score=100)
VBA32 BScope.Backdoor.Gbot
Panda Generic Malware
ESET-NOD32 a variant of Win32/Kryptik.HWA
Tencent Win32.Trojan.Generic.Fhy
Yandex Trojan.GenAsa!4nzRm/0T4bg
SentinelOne Static AI – Malicious PE – Ransomware
MaxSecure Trojan.Malware.4165805.susgen
Fortinet W32/Goolbot.KA!tr.bdr
Webroot W32.CycBot.Gen
AVG Win32:Mystic
Cybereason malicious.5d4112
Paloalto generic.ml
Qihoo-360 Win32/Trojan.f78

How to remove Katusha.3 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 Katusha.3 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 Katusha.3 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/products/

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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