Ransom:Win32/Teerac

Written by Robert Bailey

What is Ransom:Win32/Teerac infection?

In this post you will certainly locate regarding the meaning of Ransom:Win32/Teerac as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is clarified by online frauds to demand paying the ransom money by a sufferer.

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In the majority of the instances, Ransom:Win32/Teerac infection will certainly advise its victims to initiate funds transfer for the objective of counteracting the amendments that the Trojan infection has actually presented to the target’s tool.

Ransom:Win32/Teerac 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Compression (or decompression);
  • 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.

  • Executed a process and injected code into it, probably while unpacking;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • 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 drive — so the target can no more make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Ransom:Win32/Teerac

The most regular networks where Ransom:Win32/Teerac Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a source that organizes a malicious software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or protect against the tool from operating in a correct way – while additionally placing a ransom money note that discusses the requirement for the sufferers to impact the payment for the function of decrypting the records or recovering the data system back to the preliminary condition. In most circumstances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has already been harmed.

Ransom:Win32/Teerac circulation networks.

In different corners of the world, Ransom:Win32/Teerac grows by jumps and also bounds. Nevertheless, the ransom notes and tricks of extorting the ransom money amount might vary depending on particular neighborhood (regional) settings. The ransom money notes and techniques of obtaining the ransom amount might vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually found some unlicensed applications allowed on the victim’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In nations where software program piracy is less preferred, this method is not as effective for the cyber scams. Additionally, the Ransom:Win32/Teerac popup alert may wrongly claim to be originating from a law enforcement institution as well as will certainly report having situated child pornography or various other unlawful information on the gadget.

    Ransom:Win32/Teerac popup alert might falsely assert to be deriving from a law enforcement establishment as well as will certainly report having situated child porn or other unlawful information on the gadget. The alert will likewise have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: EE6B90EA
md5: 17ad6ee473b2c0de0de1fd6aa672cd02
name: 17AD6EE473B2C0DE0DE1FD6AA672CD02.mlw
sha1: cbbcf3fdc2e29ed2df28cfa1db3b6a992de7ca86
sha256: f914b02c6de92d6bf32654c53b4907d8cde062efed4f53a8b1a7b73f7858cb11
sha512: 338388930247eab39d531a23f6921c81a17b7766a5ce8711998255e333b159cdd65591418b8c039b83a8c3d2b1bf97154c9042b4be0d73c35fe827f033ca00b8
ssdeep: 6144:WMMYNXqBBRWzw7j8i1IFzCMdlFBcWCrswD6pJADZGWAohM7RASYTksVxTFL01D:6nRWYj8SezR/cp6p6cWAKdFL01D
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Ransom:Win32/Teerac also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.761
MicroWorld-eScan Trojan.GenericKD.4502427
ALYac Trojan.Ransom.cryptolocker
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.4502427
K7GW Trojan ( 005073901 )
K7AntiVirus Trojan ( 005073901 )
Arcabit Trojan.Generic.D44B39B
BitDefenderTheta Gen:NN.ZedlaF.34804.cu8@aakIg3hi
Cyren W32/Injector.URBI-1547
Symantec Ransom.TorrentLocker
Zoner Trojan.Win32.55211
TrendMicro-HouseCall Ransom_CRYPTLOCK.DLFLVS
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Inject.wnfq
Alibaba Ransom:Win32/Enestedel.a8d016bf
NANO-Antivirus Trojan.Win32.DLYF.eniozb
AegisLab Trojan.Multi.Generic.4!c
Rising Ransom.Enestedel!8.E513 (TFE:5:xsynKvNU5vI)
Ad-Aware Trojan.GenericKD.4502427
Sophos Mal/Generic-R + Mal/Cerber-Z
Comodo Malware@#2d7tsu2wg94x8
F-Secure Trojan.TR/Injector.wwevx
TrendMicro Ransom_CRYPTLOCK.DLFLVS
McAfee-GW-Edition BehavesLike.Win32.Dropper.fc
FireEye Generic.mg.17ad6ee473b2c0de
Emsisoft Trojan.GenericKD.4502427 (B)
SentinelOne Static AI – Suspicious PE – Ransomware
Avira HEUR/AGEN.1116907
Antiy-AVL Trojan/Win32.SGeneric
Kingsoft Win32.Troj.GenericKD.v.(kcloud)
Microsoft Ransom:Win32/Teerac
SUPERAntiSpyware Ransom.CryptoLocker/Variant
ZoneAlarm Trojan.Win32.Inject.wnfq
GData Trojan.GenericKD.4502427
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Ransom_.C1829840
McAfee Generic Trojan.df
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.Enestedel
Malwarebytes Generic.Malware/Suspicious
Panda Trj/Agent.JRB
APEX Malicious
ESET-NOD32 a variant of Win32/Injector.DLYF
Tencent Win32.Trojan.Inject.Dzkn
Yandex Trojan.Injector!Waovky67AVU
Ikarus Trojan.Win32.Injector
eGambit Generic.Malware
Fortinet W32/Injector.DLYF!tr
Webroot W32.Trojan.Gen
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 HEUR/QVM42.2.3A03.Malware.Gen

How to remove Ransom:Win32/Teerac 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 Ransom:Win32/Teerac 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 Ransom:Win32/Teerac 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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