Ransom:Win32/Teerac.B

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

What is Ransom:Win32/Teerac.B infection?

In this post you will find about the definition of Ransom:Win32/Teerac.B and also its unfavorable impact on your computer system. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom by a victim.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Most of the situations, Ransom:Win32/Teerac.B infection will instruct its victims to launch funds transfer for the function of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s device.

Ransom:Win32/Teerac.B Summary

These modifications 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);
  • 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.
  • 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.

  • A process created a hidden window;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • 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 delete volume shadow copies;
  • A system process is generating network traffic likely as a result of process injection;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • 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
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to modify browser security settings;
  • Creates a copy of itself;
  • Harvests information related to installed mail clients;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers found on the target’s hard disk — so the victim can no longer utilize the data;
  • Preventing normal access 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.

Ransom:Win32/Teerac.B

The most common networks through which Ransom:Win32/Teerac.B are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a source that hosts a destructive software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or avoid the tool from operating in a proper way – while likewise positioning a ransom money note that states the requirement for the sufferers to impact the settlement for the function of decrypting the documents or recovering the file system back to the initial condition. In the majority of circumstances, the ransom money note will come up when the client reboots the PC after the system has actually already been damaged.

Ransom:Win32/Teerac.B circulation channels.

In different edges of the globe, Ransom:Win32/Teerac.B expands by leaps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom money quantity might differ depending upon certain local (local) setups. The ransom notes and also methods of obtaining the ransom money quantity may vary depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications made it possible for on the target’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software application piracy is much less popular, this technique is not as effective for the cyber scams. Additionally, the Ransom:Win32/Teerac.B popup alert might incorrectly declare to be deriving from a police establishment and will certainly report having situated child porn or various other unlawful data on the device.

    Ransom:Win32/Teerac.B popup alert may incorrectly claim to be deriving from a legislation enforcement organization and also will report having located youngster porn or other illegal data on the device. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 2961BC99
md5: 06b30f8174287c7de21038aaa0ab065f
name: 06B30F8174287C7DE21038AAA0AB065F.mlw
sha1: 0f486909544dd2ce4f89f463393d738848e4520a
sha256: 73646b0af35394bca0e93842cd7c8aeee4d023df8cb2bd860a8bbb9626a4295e
sha512: 05c6288101db79a61c2e0d797e3225ca0835a69c95972c82159eb0122c557c63d4063abc7827d2522cbdb4c545c70dd5bf77fab7a57a08f528220e726f7bcc79
ssdeep: 12288:NHL2Pn4djKxRoO3/HJJboeMOkDwy7FdYppldhpU/Ep2q3rrH5aY:NrXKxRoOPHJJo7OrAgplLpUS7bL5aY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) eagleGet 2014
InternalName: EGMonito
FileVersion: 2, 0, 3, 6
ProductName: EGMonito Application
ProductVersion: 2, 0, 3, 6
FileDescription: EGMonito Application
OriginalFilename: EGMonito.exe
Translation: 0x0804 0x04b0

Ransom:Win32/Teerac.B also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 005224381 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.5049
CynetMalicious (score: 100)
ALYacTrojan.Ransom.Cerber.1
MalwarebytesMalware.AI.2956023458
ZillyaTrojan.Filecoder.Win32.2914
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/Teerac.e53e5ccb
K7GWTrojan ( 004f42fd1 )
Cybereasonmalicious.174287
BaiduWin32.Trojan.Kryptik.anp
CyrenW32/Cerber.F.gen!Eldorado
SymantecRansom.Enciphered
ESET-NOD32Win32/Filecoder.TorrentLocker.C
APEXMalicious
AvastWin32:Trojan-gen
ClamAVWin.Ransomware.Cerber-7571364-0
KasperskyHEUR:Packed.Win32.Mentiger.gen
BitDefenderTrojan.Ransom.Cerber.1
NANO-AntivirusTrojan.Win32.Mentiger.evdick
SUPERAntiSpywareRansom.Crypto/Variant
MicroWorld-eScanTrojan.Ransom.Cerber.1
TencentMalware.Win32.Gencirc.114b79f4
Ad-AwareTrojan.Ransom.Cerber.1
SophosMal/Generic-R + Troj/LdMon-AL
ComodoTrojWare.Win32.Kryptik.FBWM@6gt9t1
BitDefenderThetaGen:NN.ZexaF.34670.Pq0@aq2aB8oj
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CRYPTLOCK.DLZ
McAfee-GW-EditionBehavesLike.Win32.Dropper.jh
FireEyeGeneric.mg.06b30f8174287c7d
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminDownloader.LMN.dqo
WebrootTrojan.Dropper.Gen
AviraHEUR/AGEN.1117378
Antiy-AVLRiskWare[Downloader]/Win32.LMN
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftRansom:Win32/Teerac.B
AegisLabHacktool.Win32.Mentiger.x!c
GDataTrojan.Ransom.Cerber.1
AhnLab-V3Trojan/Win32.Cryptolocker.C1501778
Acronissuspicious
McAfeeRDN/Generic PUP.aro
MAXmalware (ai score=100)
VBA32BScope.TrojanRansom.Ranscrape
PandaTrj/RansomCrypt.E
TrendMicro-HouseCallRansom_CRYPTLOCK.DLZ
RisingTrojan.Kryptik!1.AE9C (CLOUD)
YandexPUA.Downloader!twTmrCMmXIY
IkarusTrojan.Win32.Filecoder
MaxSecureTrojan.Malware.5357318.susgen
FortinetW32/Dridex.DD!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.TorrentLocker.HxQB78oA

How to remove Ransom:Win32/Teerac.B 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

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 Ransom:Win32/Teerac.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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/Teerac.B you can always ask me in the comments for getting help.

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

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.

Leave a Reply

Sending