Written by Robert Bailey

What is Symmi.34741 infection?

In this article you will certainly find regarding the definition of Symmi.34741 and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a victim.

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Most of the instances, Symmi.34741 virus will certainly instruct its victims to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has presented to the sufferer’s tool.

Symmi.34741 Summary

These adjustments can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Sniffs keystrokes;
  • 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
  • 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.
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the sufferer’s disk drive — so the victim can no more use the data;
  • Preventing routine accessibility to the victim’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 Static AI – Malicious PE – Ransomware Static AI – Malicious PE – Ransomware Static AI – Malicious PE – Ransomware


One of the most common networks through which Symmi.34741 Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of user ending up on a source that holds a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or stop the device from working in an appropriate way – while also positioning a ransom money note that discusses the requirement for the sufferers to impact the settlement for the objective of decrypting the papers or bring back the documents system back to the first condition. In a lot of circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has currently been harmed.

Symmi.34741 distribution networks.

In various edges of the globe, Symmi.34741 grows by jumps and also bounds. However, the ransom money notes and methods of obtaining the ransom amount may vary relying on certain neighborhood (local) setups. The ransom money notes as well as methods of obtaining the ransom money quantity might differ depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having detected some unlicensed applications enabled on the victim’s device. The alert then requires the user to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In nations where software piracy is less prominent, this method is not as efficient for the cyber fraudulences. Alternatively, the Symmi.34741 popup alert may wrongly claim to be deriving from a law enforcement institution and also will report having located kid pornography or various other illegal data on the gadget.

    Symmi.34741 popup alert may wrongly declare to be deriving from a law enforcement institution as well as will report having located child pornography or various other illegal information on the device. The alert will likewise consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 334D1A84
md5: 704dd1a203c70e134163d09f461e4ddb
name: 704DD1A203C70E134163D09F461E4DDB.mlw
sha1: 81e10c0271ae36d3b11ed626bfa542352728a55f
sha256: efdd7a46852c3d3e6595949f128880e4c539ac3212006ac67be27328836ee580
sha512: bd9ec798a6702030c184baa565d7d6445f59272b981f59408330510be00fb077601db4c4f5c0d562ea007ae15c5d3c576ad41860565ec41b27eb605be45e3115
ssdeep: 49152:ovCgQXJLrduEyztsR7OQzQzAmjqamm173f:oKgQdd/yzt67OU7apv
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Symmi.34741 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Symmi.34741
CAT-QuickHeal Trojan.Multi
Qihoo-360 Generic/HEUR/QVM20.1.B743.Malware.Gen
ALYac Gen:Variant.Symmi.34741
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 00548e051 )
BitDefender Gen:Variant.Symmi.34741
K7GW Trojan ( 00548e051 )
Cybereason malicious.203c70
Cyren W32/Injector.OZVT-2500
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:MBRlock-DV [Trj]
ClamAV Win.Trojan.Mbrlock-9779766-0
Kaspersky UDS:DangerousObject.Multi.Generic
Alibaba Trojan:Win32/Starter.ali1001008
NANO-Antivirus Trojan.Win32.Dapato.bsjzfg
Ad-Aware Gen:Variant.Symmi.34741
Sophos ML/PE-A + Troj/Agent-BFYB
Comodo TrojWare.Win32.Injector.HO@82j6jo
F-Secure Dropper.DR/Delphi.Gen
DrWeb Trojan.DownLoader6.7779
TrendMicro TROJ_GEN.R03BC0PLB20
Emsisoft Gen:Variant.Symmi.34741 (B)
SentinelOne Static AI – Malicious PE – Ransomware
Jiangmin Trojan.Blocker.pkq
Avira DR/Delphi.Gen
MAX malware (ai score=89)
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Microsoft Trojan:Win32/CryptInject!ml
Arcabit Trojan.Symmi.D87B5
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Gen:Variant.Symmi.34741
Cynet Malicious (score: 100)
AhnLab-V3 Dropper/Win32.Dapato.R83155
Acronis suspicious
McAfee GenericRXIP-BJ!704DD1A203C7
TACHYON Trojan-Dropper/W32.Dapato.2079232
VBA32 Trojan.Downloader
Malwarebytes Generic.Trojan.Malicious.DDS
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Injector.AHHO
TrendMicro-HouseCall TROJ_GEN.R03BC0PLB20
Rising Ransom.Blocker!8.12A (TFE:5:as0Qr0VtZ4E)
Yandex Trojan.Injector!nfedw5apY3U
Ikarus Trojan-Ransom.Blocker
eGambit Unsafe.AI_Score_95%
Fortinet W32/Symmi.34741!tr
BitDefenderTheta AI:Packer.6C5C7DC621
AVG Win32:MBRlock-DV [Trj]
CrowdStrike win/malicious_confidence_80% (D)
MaxSecure Trojan.Malware.300983.susgen

How to remove Symmi.34741 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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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.

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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 Symmi.34741 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 Symmi.34741 you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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