Ransom.Ishtar

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

What is Ransom.Ishtar infection?

In this article you will certainly find about the definition of Ransom.Ishtar and also its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by on-line scams to require paying the ransom by a target.

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Most of the instances, Ransom.Ishtar virus will certainly advise its sufferers to start funds transfer for the function of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s tool.

Ransom.Ishtar Summary

These alterations can be as complies with:

  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • A potential decoy document was displayed to the user;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the victim’s disk drive — so the sufferer can no more utilize the information;
  • 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.

Ransom.Ishtar

The most typical networks through which Ransom.Ishtar are infused are:

  • By ways of phishing e-mails;
  • As an effect of customer ending up on a source that hosts a malicious software program;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s PC or avoid the gadget from working in an appropriate way – while likewise putting a ransom money note that states the requirement for the sufferers to impact the payment for the objective of decrypting the documents or recovering the file system back to the initial problem. In most circumstances, the ransom money note will certainly come up when the customer restarts the PC after the system has currently been harmed.

Ransom.Ishtar circulation channels.

In different edges of the globe, Ransom.Ishtar expands by jumps and bounds. However, the ransom notes and also techniques of obtaining the ransom amount might differ depending upon certain neighborhood (local) settings. The ransom notes as well as techniques of obtaining the ransom amount might differ depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations concerning illegal content.

    In nations where software program piracy is less prominent, this method is not as efficient for the cyber scams. Conversely, the Ransom.Ishtar popup alert may wrongly declare to be stemming from a law enforcement establishment and also will report having located kid pornography or various other unlawful information on the device.

    Ransom.Ishtar popup alert may wrongly claim to be obtaining from a regulation enforcement establishment and also will report having situated kid porn or various other illegal data on the device. The alert will in a similar way include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 74EE5C85
md5: 5ee54d71e56c22e9ba4899d15ced2fac
name: 5EE54D71E56C22E9BA4899D15CED2FAC.mlw
sha1: 4ad0579f250db1a1d8c41fa00fa89f7e60b8a475
sha256: 968ac60af18e1e67d7acd84bd33fc2f590ba979d18eba8bfdb6ae4eb7bb85e61
sha512: c4e0373122092604f453924f7d182b620f590a001b8598cec822d25ebac66a054d88876aa7ffc2e5747050398ef4037301704e08fa8a4c2362770ddb67357f68
ssdeep: 24576:zCdxte/80jYLT3U1jfsWa1/koQCFhDuxlG18lKfC8QYNCI1borgpbMqT:aw80cTsjkWa1CS6Qf0YNCwbFT
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Ransom.Ishtar also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053ad541 )
Elastic malicious (high confidence)
DrWeb Trojan.AutoIt.220
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.4935597
Cylance Unsafe
Sangfor Trojan.Win32.Autoit.abhzj
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Ysakrypt.f1b4c6bf
K7GW Trojan ( 0053ad541 )
Cybereason malicious.1e56c2
Symantec Trojan.Gen
ESET-NOD32 a variant of Win32/Filecoder.Ishtar.N
Zoner Trojan.Win32.58325
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan.Win32.Autoit.abhzj
BitDefender Trojan.GenericKD.4935597
NANO-Antivirus Trojan.Win32.Autoit.eoaggs
MicroWorld-eScan Trojan.GenericKD.4935597
Tencent Malware.Win32.Gencirc.11493553
Ad-Aware Trojan.GenericKD.4935597
Sophos Mal/Generic-S
Comodo Malware@#751aioox4uf7
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_ISHTAR.F117DK
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
FireEye Generic.mg.5ee54d71e56c22e9
Emsisoft Trojan-Ransom.Ishtar (A)
Webroot W32.Ransom.Gen
Avira HEUR/AGEN.1100013
eGambit Unsafe.AI_Score_75%
Microsoft Ransom:Win32/FileCryptor
Arcabit Trojan.Generic.D4B4FAD
AegisLab Trojan.Win32.Generic.4!e
GData Trojan.GenericKD.4935597
McAfee Artemis!5EE54D71E56C
MAX malware (ai score=100)
VBA32 TrojanRansom.Blocker
Malwarebytes Ransom.Ishtar
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_ISHTAR.F117DK
Rising Trojan.Obfus/Autoit!1.C608 (CLASSIC)
Ikarus Trojan.Win32.Filecoder
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Filecoder.ISHTAR.O!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Worm.AutoIt.HwoCDgAA

How to remove Ransom.Ishtar 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 Ransom.Ishtar 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom.Ishtar 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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