Written by Robert Bailey

What is Symmi.81955 infection?

In this short article you will certainly locate about the meaning of Symmi.81955 and also its adverse impact on your computer system. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a victim.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

In the majority of the instances, Symmi.81955 virus will certainly instruct its sufferers to launch funds move for the function of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s device.

Symmi.81955 Summary

These alterations 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.
  • Attempts to connect to a dead IP:Port (3 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Russian;
  • Ciphering the files found on the sufferer’s hard disk drive — so the sufferer can no more use the data;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains Ransom.Crypt.ZZ4


The most regular channels whereby Symmi.81955 Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of user winding up on a source that holds a destructive software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s PC or avoid the device from operating in a correct way – while also putting a ransom money note that discusses the demand for the targets to impact the payment for the purpose of decrypting the papers or restoring the documents system back to the preliminary condition. In the majority of instances, the ransom money note will come up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Symmi.81955 circulation channels.

In different edges of the world, Symmi.81955 grows by leaps and also bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money quantity might vary relying on specific local (local) settings. The ransom money notes and also methods of extorting the ransom quantity may differ depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the target’s device. The alert then demands the customer to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In nations where software application piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Additionally, the Symmi.81955 popup alert may falsely assert to be stemming from a law enforcement organization and also will certainly report having located child porn or other illegal information on the tool.

    Symmi.81955 popup alert may falsely claim to be acquiring from a law enforcement organization and also will report having located child porn or various other unlawful information on the gadget. The alert will likewise contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 3103C859
md5: a33a2a18060207267ceaa65ef269b3a7
name: A33A2A18060207267CEAA65EF269B3A7.mlw
sha1: 932b0a217b1255bc3901170feebe89f5fe6f44e5
sha256: 5b68025f5cdd0dba722a2ada50935b05c868b457449178aa38fc6fea529d8f5c
sha512: 0eff07776d52e036e52c7136a8d0a2f9e58a774ea3ba30dc079e43b97bf6fb54183034f3d41477884b795f91f40b4ada5a911db79d4fad9fc222e32f4cea7811
ssdeep: 3072:y80guAwpS6GcpPa22tZSiIlbDrzkSoVzBr5k8q5RwJsS0QNZVwgSu3RW+Fd:QAwpSPWPaVeXkSoVy5ReLZ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Symmi.81955 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.FamVT.RazyNHmA.Trojan
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Symmi.81955
CAT-QuickHeal Ransom.Crypt.ZZ4
Qihoo-360 Win32/Trojan.Exploit.384
ALYac Gen:Variant.Symmi.81955
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 005110411 )
BitDefender Gen:Variant.Symmi.81955
K7GW Trojan ( 005110411 )
Cybereason malicious.806020
Cyren W32/S-46885b2e!Eldorado
Symantec Packed.Generic.521
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.NeutrinoPOS-6333858-3
Kaspersky Exploit.Win32.CVE-2015-1701.pc
Alibaba Exploit:Win32/CVE-2015-1701.7b761c25
NANO-Antivirus Exploit.Win32.CVE20151701.firmgz
AegisLab Trojan.Win32.Generic.4!c
Rising Trojan.Kryptik!8.8 (CLOUD)
Ad-Aware Gen:Variant.Symmi.81955
Emsisoft Gen:Variant.Symmi.81955 (B)
Comodo Malware@#2q90cgxno4rgq
F-Secure Heuristic.HEUR/AGEN.1120761
McAfee-GW-Edition BehavesLike.Win32.BadFile.dh
Sophos ML/PE-A + Mal/Wonton-BB
Ikarus Trojan.Win32.Crypt
Jiangmin Trojan.Banker.Tuhkit.m
Avira HEUR/AGEN.1120761
MAX malware (ai score=100)
Antiy-AVL Trojan[Exploit]/Win32.CVE-2015-1701
Microsoft TrojanDownloader:Win32/Talalpek.A
Arcabit Trojan.Symmi.D14023
ZoneAlarm Exploit.Win32.CVE-2015-1701.pc
GData Gen:Variant.Symmi.81955
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.CVE-2015-1701.C2368806
McAfee Artemis!A33A2A180602
VBA32 Exploit.CVE-2015-1701
Malwarebytes Generic.Malware/Suspicious
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.FDWU
Tencent Win32.Exploit.Cve-2015-1701.Ljtq
Yandex Trojan.GenAsa!IqF1/TpNsPE
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.FHGL!tr
BitDefenderTheta Gen:NN.ZexaF.34804.nqW@ayNPJjFc
AVG Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove Symmi.81955 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

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 Symmi.81955 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.81955 you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.