Trojan:Win32/Ramnit.A

Written by Robert Bailey

What is Trojan:Win32/Ramnit.A infection?

In this short article you will locate concerning the interpretation of Trojan:Win32/Ramnit.A as well as its negative impact on your computer. Such ransomware are a kind of malware that is clarified by on-line frauds to demand paying the ransom by a victim.

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In the majority of the cases, Trojan:Win32/Ramnit.A ransomware will instruct its sufferers to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s device.

Trojan:Win32/Ramnit.A Summary

These modifications 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.
  • 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.
  • 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.
  • The executable is compressed using UPX;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the victim’s hard drive — so the victim can no more use the data;
  • Preventing routine access to the target’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 Trojan-Ransom.PornoBlocker
a.tomx.xyz Trojan-Ransom.PornoBlocker

Trojan:Win32/Ramnit.A

The most regular networks where Trojan:Win32/Ramnit.A are injected are:

  • By means of phishing emails;
  • As a consequence of individual ending up on a source that hosts a harmful software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s computer or protect against the tool from operating in an appropriate fashion – while additionally placing a ransom money note that discusses the demand for the targets to impact the repayment for the function of decrypting the papers or restoring the documents system back to the preliminary problem. In a lot of instances, the ransom note will certainly show up when the customer restarts the PC after the system has already been harmed.

Trojan:Win32/Ramnit.A distribution channels.

In various corners of the world, Trojan:Win32/Ramnit.A grows by jumps and also bounds. However, the ransom money notes and methods of extorting the ransom amount may vary depending on certain neighborhood (local) setups. The ransom money notes as well as tricks of obtaining the ransom quantity may vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually found some unlicensed applications allowed on the victim’s device. The sharp after that requires the individual to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In countries where software application piracy is less preferred, this technique is not as effective for the cyber frauds. Alternatively, the Trojan:Win32/Ramnit.A popup alert might incorrectly claim to be stemming from a police organization and also will report having situated youngster porn or various other illegal data on the device.

    Trojan:Win32/Ramnit.A popup alert might incorrectly assert to be acquiring from a regulation enforcement institution and will report having situated youngster pornography or various other unlawful data on the tool. The alert will likewise consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 2F945F6E
md5: 06c5e0c49535e961a1cacd20725dc9d1
name: 06C5E0C49535E961A1CACD20725DC9D1.mlw
sha1: 9eb0b0ad7e3cd9118e89e2d18a138c62d691eba5
sha256: 7447a2e91db5ee140727499051da9386748d2f20896cae70bf1c79369d88dbbf
sha512: cba524c038982afcee8184e9f1137d8b4f4320b6d69a87ebc84e82cc1ddc40a42cfb38ae1879a1e39b4319e4bff7d8ecc3969427d6940f98b54a1a5b75f9fad5
ssdeep: 1536:jPwOKeqtUAcuTQBWeHYzrohtfXAMgOYrEP/3Y9ZOagjf5dm7:n/KTu4sfvgOYejjBM7
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan:Win32/Ramnit.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.VIZ.1
FireEye Generic.mg.06c5e0c49535e961
CAT-QuickHeal Trojan.Quolko.A
McAfee Artemis!06C5E0C49535
Cylance Unsafe
VIPRE Trojan.Win32.Bamital.i (v)
AegisLab Trojan.Win32.Generic.4!c
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
BitDefender Gen:Heur.VIZ.1
K7GW Trojan ( f1000f011 )
K7AntiVirus Trojan ( f1000f011 )
BitDefenderTheta AI:Packer.5583CFA91F
Cyren W32/A-aa9120d9!Eldorado
Symantec W32.Ramnit.B
ESET-NOD32 Win32/Ramnit.A
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Agent-1299135
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Ramnit.5b4e95d2
NANO-Antivirus Trojan.Win32.Autoruner.coonfk
Rising Virus.Ramnit!8.4 (CLOUD)
Ad-Aware Gen:Heur.VIZ.1
TACHYON Backdoor/W32.IRCNite.185344
Sophos ML/PE-A + Mal/FakeAV-BW
Comodo TrojWare.Win32.Trojan.XPACK.Gen@2ho5ur
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb Trojan.Rmnet.1
Zillya Trojan.Genome.Win32.163976
TrendMicro TROJ_BAMITAL.SMK
McAfee-GW-Edition BehavesLike.Win32.Generic.lc
Emsisoft Gen:Heur.VIZ.1 (B)
Ikarus Trojan-Ransom.PornoBlocker
Jiangmin Backdoor/IRCNite.za
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan[Backdoor]/Win32.IRCNite
Kingsoft Heur.SSC.2668161.1216.(kcloud)
Microsoft Trojan:Win32/Ramnit.A
Arcabit Trojan.VIZ.1
AhnLab-V3 Trojan/Win32.FraudPack.R3415
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.VIZ.1
Cynet Malicious (score: 100)
TotalDefense Win32/Spyeye.C!generic
Acronis suspicious
VBA32 Trojan.MTA.01240
ALYac Gen:Heur.VIZ.1
MAX malware (ai score=100)
Malwarebytes Malware.Heuristic.1003
Panda Generic Malware
TrendMicro-HouseCall TROJ_BAMITAL.SMK
Tencent Win32.Virus.Ramnit.Gvl
Yandex Trojan.PornoBlocker!SIaqt1FjbcE
SentinelOne Static AI – Malicious PE
eGambit Generic.Backdoor
Fortinet W32/Corupx.B!tr
Webroot W32.Malware.Heur
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.BO.548

How to remove Trojan:Win32/Ramnit.A ransomware?

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 Trojan:Win32/Ramnit.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/Ramnit.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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