Trojan:Win32/Rundis!A

What is Trojan:Win32/Rundis!A infection?

In this post you will locate about the interpretation of Trojan:Win32/Rundis!A as well as its negative effect on your computer. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom by a target.

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In the majority of the instances, Trojan:Win32/Rundis!A infection will instruct its sufferers to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the target’s device.

Trojan:Win32/Rundis!A 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.
  • A process attempted to delay the analysis task.;
  • Unconventionial language used in binary resources: Russian;
  • 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
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • 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 situated on the sufferer’s hard disk — so the target can no more utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Trojan:Win32/Rundis!A

One of the most common networks through which Trojan:Win32/Rundis!A Ransomware are injected are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a resource that organizes a destructive software;

As soon as the Trojan is successfully infused, it will either cipher the data on the victim’s PC or avoid the device from working in a proper way – while additionally putting a ransom note that mentions the need for the victims to effect the payment for the purpose of decrypting the documents or restoring the file system back to the first problem. In most instances, the ransom note will come up when the customer reboots the COMPUTER after the system has currently been harmed.

Trojan:Win32/Rundis!A circulation channels.

In various edges of the world, Trojan:Win32/Rundis!A grows by jumps and bounds. However, the ransom money notes and also methods of obtaining the ransom quantity might vary depending upon certain neighborhood (regional) settings. The ransom money notes and tricks of obtaining the ransom amount may vary depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In specific locations, the Trojans often wrongfully report having detected some unlicensed applications allowed on the sufferer’s tool. The alert then requires the customer to pay the ransom.

    Faulty declarations about unlawful web content.

    In nations where software piracy is much less prominent, this method is not as reliable for the cyber frauds. Additionally, the Trojan:Win32/Rundis!A popup alert may incorrectly declare to be stemming from a police institution as well as will certainly report having located child pornography or various other prohibited data on the device.

    Trojan:Win32/Rundis!A popup alert might falsely declare to be deriving from a legislation enforcement institution as well as will report having situated youngster porn or other unlawful data on the device. The alert will in a similar way include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 20039F54
md5: e015e9b924c0b40e638ab35be8b3c27e
name: E015E9B924C0B40E638AB35BE8B3C27E.mlw
sha1: 423603cb96be9ca28630fbd1b50fb33a9705c9a6
sha256: 7c222841ccea706e5ff3556ace3978febaa58b7698efe83819bb1d1527cddb83
sha512: c47c242a925b844f2683b4ee2be3824ca2a3a7c8c0a464d629209eb5809f043926b4947d423e6fc4bb90fae8b1d763f84cbdf90f8942ecd92695d3cf3855afce
ssdeep: 6144:lEz/sa9k/R9WxqAtki/oKUYvM52lWHi9OeyV8JlIRL1U/A2h984tSbtxQnx+Ztj:CDs9R9WXxpyV1UIXGSbtGIZtj
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Rundis!A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
DrWeb Trojan.KillProc.22095
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Cybereason malicious.b96be9
ESET-NOD32 a variant of Win32/LockScreen.BIP
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Diztakun.bezf
NANO-Antivirus Trojan.Win32.Gimemo.bgqgjj
Tencent Win32.Trojan.Gimemo.dgwj
Sophos Mal/Generic-S
Comodo Malware@#2w4qhl3x037ch
BitDefenderTheta Gen:NN.ZelphiF.34608.IGW@aKkZDHbc
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.hh
FireEye Generic.mg.e015e9b924c0b40e
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1131389
eGambit Generic.Malware
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Rundis.gen!A
AhnLab-V3 Trojan/Win32.Generic.C2321800
McAfee Artemis!E015E9B924C0
VBA32 Hoax.Gimemo
Panda Trj/CI.A
Rising Ransom.Weenloc!8.519 (CLOUD)
Ikarus Trojan.Win32.LockScreen
Fortinet W32/LockScreen.APR!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.IM.a5c

How to remove Trojan:Win32/Rundis!A ransomware?

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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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 Trojan:Win32/Rundis!A 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:Win32/Rundis!A 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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