Trojan:Win32/Osiris.A!MSR

What is Trojan:Win32/Osiris.A!MSR infection?

In this post you will certainly locate regarding the interpretation of Trojan:Win32/Osiris.A!MSR and also its negative effect on your computer system. Such ransomware are a type of malware that is elaborated by online frauds 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 cases, Trojan:Win32/Osiris.A!MSR infection will certainly advise its victims to start funds move for the objective of reducing the effects of the amendments that the Trojan infection has presented to the sufferer’s tool.

Trojan:Win32/Osiris.A!MSR Summary

These adjustments can be as complies with:

  • 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.
  • Presents an Authenticode digital signature;
  • 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Starts servers listening on 127.0.0.1:32767, 127.0.0.1:32768;
  • 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.

  • A process created a hidden window;
  • 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Looks up the external IP address;
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Sniffs keystrokes;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the victim’s disk drive — so the sufferer can no longer make use of the data;
  • Preventing regular access 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.
Similar behavior
Related domains
api.ipify.org Ransom.Win32.Filecoder.dd!s1
time-a.nist.gov Ransom.Win32.Filecoder.dd!s1

Trojan:Win32/Osiris.A!MSR

One of the most typical networks where Trojan:Win32/Osiris.A!MSR Trojans are injected are:

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

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s computer or protect against the gadget from working in an appropriate way – while likewise putting a ransom money note that points out the demand for the victims to impact the repayment for the purpose of decrypting the papers or bring back the documents system back to the initial condition. In a lot of instances, the ransom money note will certainly turn up when the customer reboots the COMPUTER after the system has currently been damaged.

Trojan:Win32/Osiris.A!MSR distribution networks.

In various corners of the world, Trojan:Win32/Osiris.A!MSR expands by jumps as well as bounds. Nonetheless, the ransom notes and also methods of obtaining the ransom amount might differ relying on particular neighborhood (local) settings. The ransom money notes and techniques of extorting the ransom quantity may vary depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty statements about illegal web content.

    In countries where software program piracy is much less popular, this method is not as effective for the cyber fraudulences. Additionally, the Trojan:Win32/Osiris.A!MSR popup alert might falsely claim to be originating from a police organization and also will report having situated kid porn or various other illegal data on the device.

    Trojan:Win32/Osiris.A!MSR popup alert might incorrectly declare to be acquiring from a law enforcement organization and will certainly report having located child pornography or various other unlawful information on the device. The alert will likewise have a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 8FD27C21
md5: 677f9f62a49e9a2a2212ed2f6e7dd545
name: upload_file
sha1: df2d854aa894676f7d7c3bd9eb833fe955575a6f
sha256: bf9eb06db25ea1d3138b8e19a18d248df56a04200f9e54edfed850d018d2bb62
sha512: c52d26091975936bc950bbdf20714859f4ea2eb27dd7aae42ac998a5600364b3f8e2521e734baea73da7e011a516f7cf8103c81516fb811937eca0be30d13e4a
ssdeep: 6144:U9X0GPBp90FOKWU3TDPTuU4ldQZ7OTcaYEQSh9Ty0y6c4H3yEDFDQMb6Ph0VA4WT:a02PWw9C6hlSZ6g2G0yKHp1VbWabfBnG
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: Copyright xa9 2016 Havy Alegria
FileVersion: 5.2.2.187
CompanyName: Havy Alegria
Comments: This installation was built with Inno Setup.
ProductName: InnoExtractor
ProductVersion: 5.2.2.187
FileDescription: InnoExtractor Setup
Translation: 0x0000 0x04b0

Trojan:Win32/Osiris.A!MSR also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.44334498
ALYac Trojan.Agent.Kronos
Cylance Unsafe
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0057236c1 )
BitDefender Trojan.GenericKD.44334498
TrendMicro TROJ_FRS.VSNTK320
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DangerousSig [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Generic.c9d9e8a7
ViRobot Trojan.Win32.Z.Vasal.422816
Ad-Aware Trojan.GenericKD.44334498
Sophos Mal/Generic-S
DrWeb Trojan.PWS.Banker1.36621
Invincea Mal/Generic-S
McAfee-GW-Edition Artemis!Trojan
FireEye Trojan.GenericKD.44334498
Emsisoft MalCert.A (A)
Ikarus Trojan.NSIS.Agent
Jiangmin Trojan.Cometer.bbl
Webroot W32.Trojan.Gen
Antiy-AVL Trojan/MSIL.Vasal
Microsoft Trojan:Win32/Osiris.A!MSR
Gridinsoft Ransom.Win32.Filecoder.dd!s1
Arcabit Trojan.Generic.D2A47DA2
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKD.44334498
AhnLab-V3 Trojan/Win32.Osiris.R354736
McAfee Artemis!677F9F62A49E
MAX malware (ai score=100)
Malwarebytes Ransom.Sodinokibi
Panda Trj/CI.A
ESET-NOD32 Win32/Spy.Kronosbot.B
TrendMicro-HouseCall TROJ_FRS.VSNTK320
Rising Trojan.Injector/NSIS!1.BFBB (CLASSIC)
AVG Win32:DangerousSig [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (W)

How to remove Trojan:Win32/Osiris.A!MSR 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

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 Trojan:Win32/Osiris.A!MSR 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 Trojan:Win32/Osiris.A!MSR 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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