TrojanDropper:Win32/Ropest.A

What is TrojanDropper:Win32/Ropest.A infection?

In this post you will certainly locate about the meaning of TrojanDropper:Win32/Ropest.A and also its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom by a target.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the situations, TrojanDropper:Win32/Ropest.A ransomware will certainly advise its sufferers to launch funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s tool.

TrojanDropper:Win32/Ropest.A 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Unconventionial binary language: 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.
  • Executed a process and injected code into it, probably while unpacking;
  • Ciphering the records situated on the target’s hard disk — so the sufferer can no more use the information;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

TrojanDropper:Win32/Ropest.A

The most regular networks through which TrojanDropper:Win32/Ropest.A Ransomware are injected are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a resource that organizes a harmful software;

As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s computer or stop the tool from functioning in a proper fashion – while likewise placing a ransom note that points out the need for the victims to impact the payment for the objective of decrypting the papers or bring back the data system back to the preliminary problem. In many instances, the ransom note will show up when the client restarts the PC after the system has currently been harmed.

TrojanDropper:Win32/Ropest.A distribution channels.

In different corners of the world, TrojanDropper:Win32/Ropest.A grows by leaps as well as bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom money quantity may vary depending upon specific local (local) settings. The ransom money notes and also methods of obtaining the ransom quantity might vary depending on certain regional (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s device. The alert then demands the individual to pay the ransom.

    Faulty statements about illegal content.

    In countries where software application piracy is much less prominent, this method is not as effective for the cyber frauds. Conversely, the TrojanDropper:Win32/Ropest.A popup alert may incorrectly claim to be stemming from a police establishment and will certainly report having located child porn or other prohibited data on the device.

    TrojanDropper:Win32/Ropest.A popup alert might falsely claim to be acquiring from a regulation enforcement institution and will certainly report having situated kid porn or various other unlawful data on the device. The alert will similarly consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: A3D538E1
md5: 8cdca65d3580b8663aaa92862248b07d
name: 8CDCA65D3580B8663AAA92862248B07D.mlw
sha1: 20f714b50230f36ec7b260ac4e7aad5e27d6715b
sha256: 92427386fc558a0a72e9f47b9555a30105be4eb2be5bc80501d1cdd62c5d420a
sha512: 2f73418a48fd7605fb67bf6effea9554aad05d82962e89c5a27cb3a5764fcd8e0f1ce68c60915c2779d9642ba354dbf2bef601f0096a554f48945627616f9634
ssdeep: 12288:7MnSCCPAdnPTsMYZMDWQrrzQ9No4XPTm:oDCPABXdKAfQ9eYi
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 x41ax43ex440x43fx43ex440x430x446x438x44f x41cx430x439x43ax440x43ex441x43ex444x442. x412x441x435 x43fx440x430x432x430 x437x430x449x438x449x435x43dx44b.
InternalName: compact
FileVersion: 5.1.2600.0 (xpclient.010817-1148)
CompanyName: x41ax43ex440x43fx43ex440x430x446x438x44f x41cx430x439x43ax440x43ex441x43ex444x442
ProductName: x41ex43fx435x440x430x446x438x43ex43dx43dx430x44f x441x438x441x442x435x43cx430 Microsoftxae Windowsxae
ProductVersion: 5.1.2600.0
FileDescription: x41fx440x43ex433x440x430x43cx43cx430 x441x436x430x442x438x44f x444x430x439x43bx43ex432
OriginalFilename: COMPACT.EXE
Translation: 0x0419 0x04b0

TrojanDropper:Win32/Ropest.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004973251 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.8823
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ursu.944073
Cylance Unsafe
Zillya Trojan.Foreign.Win32.56688
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Foreign.0ab62c7b
K7GW Trojan ( 004973251 )
Cybereason malicious.d3580b
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Agent.VPS
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Foreign.noqt
BitDefender Gen:Variant.Ursu.944073
NANO-Antivirus Trojan.Win32.Panda.etinrl
MicroWorld-eScan Gen:Variant.Ursu.944073
Tencent Malware.Win32.Gencirc.11492d88
Ad-Aware Gen:Variant.Ursu.944073
Sophos Mal/Generic-S
Comodo Malware@#2kr3inml0o2oe
BitDefenderTheta Gen:NN.ZexaF.34628.IC1@aGNKY4i
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Foreign.R002C0GKE20
McAfee-GW-Edition BehavesLike.Win32.Emotet.hc
FireEye Generic.mg.8cdca65d3580b866
Emsisoft Gen:Variant.Ursu.944073 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Foreign.hep
Avira HEUR/AGEN.1107530
eGambit Unsafe.AI_Score_99%
Microsoft TrojanDropper:Win32/Ropest.A
AegisLab Trojan.Win32.Foreign.j!c
GData Gen:Variant.Ursu.944073
Acronis suspicious
McAfee Artemis!8CDCA65D3580
MAX malware (ai score=99)
VBA32 Trojan-Ransom.Foreign
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Foreign.R002C0GKE20
Rising Ransom.Foreign!8.292 (CLOUD)
Ikarus Trojan.Win32.Agent
Fortinet W32/Agent.VPS!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Foreign.HgIASOUA

How to remove TrojanDropper:Win32/Ropest.A 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 TrojanDropper:Win32/Ropest.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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove TrojanDropper:Win32/Ropest.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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