Symmi.4056

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Symmi.4056 infection?

In this article you will certainly discover about the meaning of Symmi.4056 and its adverse effect on your computer. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom money by a victim.

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In the majority of the situations, Symmi.4056 virus will certainly instruct its targets to launch funds move for the function of neutralizing the modifications that the Trojan infection has actually introduced to the target’s device.

Symmi.4056 Summary

These alterations can be as follows:

  • 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;
  • 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.

  • 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;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard disk — so the victim can no longer make use of the data;
  • Preventing regular 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 Ransom-AAY.gen.l
a.tomx.xyz Ransom-AAY.gen.l

Symmi.4056

The most normal networks through which Symmi.4056 Ransomware are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a resource that hosts a harmful software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or stop the gadget from functioning in an appropriate fashion – while also placing a ransom note that discusses the requirement for the victims to impact the repayment for the objective of decrypting the files or bring back the documents system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly come up when the client reboots the PC after the system has currently been harmed.

Symmi.4056 distribution networks.

In numerous corners of the world, Symmi.4056 expands by leaps as well as bounds. Nonetheless, the ransom notes and methods of obtaining the ransom amount may vary relying on specific regional (local) setups. The ransom money notes as well as techniques of obtaining the ransom quantity might differ depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In certain areas, the Trojans usually wrongfully report having discovered some unlicensed applications made it possible for on the victim’s device. The sharp then requires the individual to pay the ransom.

    Faulty statements regarding prohibited material.

    In nations where software piracy is much less preferred, this approach is not as efficient for the cyber fraudulences. Conversely, the Symmi.4056 popup alert might falsely declare to be deriving from a law enforcement organization and will certainly report having located kid pornography or other unlawful data on the device.

    Symmi.4056 popup alert might wrongly assert to be obtaining from a legislation enforcement establishment as well as will report having located kid porn or other illegal information on the tool. The alert will in a similar way contain a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 12FA9AE7
md5: 06cfec01633e1c8b6d12af7a9d6cea00
name: 06CFEC01633E1C8B6D12AF7A9D6CEA00.mlw
sha1: a5b447184434e9140f161c73759c79179bde2690
sha256: 48ffb012f57a0c59d7ab731e0175a42cc39f6967dccdfadc3e1b1546e72d07cf
sha512: 0a3312ffe18845b5d74f5bada733203270b1a59562ddfff51750a5a4213aff13ce98023c6ce37e55302e8fe151e6e915ff027a24aa4ca64b2e8c6acb33739a48
ssdeep: 3072:6LJYSd4t+vFNDHVS4xui0miDDKLdqIlNo67KQZcCqnFJHBmCjJ2:sJYR+v7TVZx5SDKLdllNz7K27qn3VI
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Symmi.4056 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Symmi.4056
FireEye Generic.mg.06cfec01633e1c8b
Qihoo-360 Win32/TrojanDropper.Generic.HwQAfRcA
McAfee Ransom-AAY.gen.l
Cylance Unsafe
VIPRE Worm.Win32.Dorkbot.i (v)
AegisLab Trojan.Win32.Generic.4!c
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Variant.Symmi.4056
K7GW Trojan ( 0040f1d41 )
K7AntiVirus Trojan ( 0040f1d41 )
Cyren W32/Ransom.AO.gen!Eldorado
Symantec Trojan.Ransomlock!g21
APEX Malicious
Avast Win32:Cryptor
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Injector.923690eb
NANO-Antivirus Trojan.Win32.Panda.bbvrcp
Rising Dropper.Generic!8.35E (CLOUD)
Ad-Aware Gen:Variant.Symmi.4056
Emsisoft Gen:Variant.Symmi.4056 (B)
Comodo Malware@#31pwk65j0kfrt
F-Secure Trojan.TR/Dropper.Gen7
DrWeb Trojan.PWS.Panda.368
Zillya Trojan.Zbot.Win32.82766
TrendMicro TROJ_RANSOM.SMO7
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
Sophos ML/PE-A + Troj/Ransom-LO
Ikarus Trojan-Spy.Win32.Zbot
Jiangmin TrojanSpy.Zbot.cihj
Webroot W32.Malware.Gen
Avira TR/Dropper.Gen7
MAX malware (ai score=99)
Antiy-AVL Trojan[Spy]/Win32.Zbot
Microsoft PWS:Win32/Zbot!CI
Arcabit Trojan.Symmi.DFD8
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Symmi.4056
Cynet Malicious (score: 100)
AhnLab-V3 Spyware/Win32.Zbot.R41664
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.kGX@aG9owAei
ALYac Gen:Variant.Symmi.4056
TACHYON Trojan-Spy/W32.ZBot.173056.BC
VBA32 TrojanSpy.Zbot
Malwarebytes Generic.Malware/Suspicious
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Injector.XZK
TrendMicro-HouseCall TROJ_RANSOM.SMO7
Tencent Malware.Win32.Gencirc.114d6e13
Yandex Trojan.GenAsa!scUc26xqe6c
SentinelOne Static AI – Malicious PE
eGambit Generic.Malware
Fortinet W32/RANSOM.AAY!tr
AVG Win32:Cryptor
Cybereason malicious.1633e1
Paloalto generic.ml

How to remove Symmi.4056 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 Symmi.4056 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 Symmi.4056 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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