What is TrojanDownloader:Win32/Sinresby.B infection?

In this article you will discover concerning the meaning of TrojanDownloader:Win32/Sinresby.B and its unfavorable influence on your computer. Such ransomware are a form of malware that is specified by on the internet frauds to demand paying the ransom by a victim.

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In the majority of the situations, TrojanDownloader:Win32/Sinresby.B ransomware will certainly instruct its targets to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s device.

TrojanDownloader:Win32/Sinresby.B Summary

These alterations can be as follows:

  • A process attempted to delay the analysis task.;
  • 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.
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The executable is likely packed with VMProtect;
  • Uses Windows utilities for basic functionality;
  • Likely virus infection of existing system binary;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Creates a slightly modified copy of itself;
  • Ciphering the records found on the target’s hard disk drive — so the sufferer can no more utilize 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.


The most common channels where TrojanDownloader:Win32/Sinresby.B Ransomware Trojans are infused are:

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

As quickly as the Trojan is efficiently injected, it will either cipher the data on the target’s computer or stop the device from functioning in a correct fashion – while likewise placing a ransom money note that mentions the demand for the targets to effect the repayment for the function of decrypting the papers or restoring the data system back to the initial problem. In a lot of instances, the ransom money note will come up when the customer restarts the PC after the system has actually already been damaged.

TrojanDownloader:Win32/Sinresby.B distribution networks.

In different corners of the globe, TrojanDownloader:Win32/Sinresby.B expands by leaps and also bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom money quantity might differ depending upon specific local (local) setups. The ransom money notes and techniques of extorting the ransom money quantity may vary depending on particular neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the target’s device. The sharp after that requires the user to pay the ransom.

    Faulty statements regarding illegal web content.

    In nations where software program piracy is much less popular, this technique is not as effective for the cyber fraudulences. Alternatively, the TrojanDownloader:Win32/Sinresby.B popup alert might falsely claim to be originating from a police institution as well as will report having located youngster pornography or various other prohibited data on the gadget.

    TrojanDownloader:Win32/Sinresby.B popup alert might incorrectly claim to be obtaining from a legislation enforcement institution and will report having situated kid porn or other illegal information on the gadget. The alert will in a similar way consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: C26ADE75
md5: 2111240cf64338777540971ec8bcee8a
name: 2111240CF64338777540971EC8BCEE8A.mlw
sha1: 2d2db556d69c500abd2efebae63223795565238d
sha256: d782d8a1482e6bd241ccd847e0b940a9e7df5db978f935152882225df4004b79
sha512: 10155e136c135be41d5781ef91b1bff6f538375151fe43ac6dc7c5532d9d41cd3c7964b7c07d9aa15178794cd11f9397db163ae0052a04570610d4ed1bf91870
ssdeep: 12288:nqMmUDpgR6p+ZqpGHMvt6NDGpnu7PwwS1yPt5uJ1lnAui1C:nqMtDpgR6p+ZeGsvt6NDmj4PjC1lnj4C
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanDownloader:Win32/Sinresby.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Cybereason malicious.6d69c5
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.BlackMoon.A potentially unwanted
APEX Malicious
TotalDefense Win32/Oflwr.A!crypt
Kaspersky UDS:DangerousObject.Multi.Generic
Sophos ML/PE-A + Mal/VMProtBad-A
Comodo TrojWare.Win32.Spy.Gucotut.A@5u1z4a
BitDefenderTheta Gen:NN.ZexaF.34608.WuW@aqwtu9bj
SentinelOne Static AI – Malicious PE
eGambit Trojan.Generic
Microsoft TrojanDownloader:Win32/Sinresby.B
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Win32.Trojan-Spy.KrBanker.I50CXC
AhnLab-V3 Malware/Win32.RL_Generic.R358937
McAfee Artemis!2111240CF643
VBA32 BScope.TrojanRansom.Cryptor
Malwarebytes Malware.AI.1810184540
Rising Trojan.Injector!1.A1C3 (CLASSIC)
Ikarus Virus.Win32.Virut
Fortinet W32/Generic.AP.2BFAFC!tr

How to remove TrojanDownloader:Win32/Sinresby.B 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 TrojanDownloader:Win32/Sinresby.B 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 TrojanDownloader:Win32/Sinresby.B you can always ask me in the comments for getting help.

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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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