What is Win32/Injector.COAB infection?
In this post you will locate about the meaning of Win32/Injector.COAB and also its adverse impact on your computer. Such ransomware are a kind of malware that is elaborated by on-line scams to require paying the ransom by a victim.
In the majority of the instances, Win32/Injector.COAB infection will certainly advise its sufferers to launch funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the victim’s gadget.
Win32/Injector.COAB Summary
These modifications 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.
- 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.
- 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.
- Unconventionial language used in binary resources: Belarusian;
- Uses Windows utilities for basic functionality;
- Executed a process and injected code into it, probably while unpacking;
- Attempts to remove evidence of file being downloaded from the Internet;
- Attempts to delete volume shadow copies;
- Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware;
- Modifies boot configuration settings;
- 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
- Exhibits possible ransomware file modification behavior;
- Writes a potential ransom message to disk;
- Attempts to identify installed AV products by registry key;
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- Creates a copy of itself;
- Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
- 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 situated on the target’s hard disk drive — so the sufferer can no more use the data;
- Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Win32/Injector.COAB
The most normal channels whereby Win32/Injector.COAB Ransomware are injected are:
- By means of phishing emails;
- As a consequence of individual winding up on a resource that organizes a malicious software application;
As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s computer or protect against the tool from functioning in a correct manner – while also positioning a ransom money note that discusses the need for the sufferers to effect the payment for the purpose of decrypting the papers or bring back the file system back to the preliminary condition. In many instances, the ransom note will turn up when the customer restarts the PC after the system has currently been damaged.
Win32/Injector.COAB distribution networks.
In different corners of the globe, Win32/Injector.COAB grows by leaps and also bounds. However, the ransom money notes and tricks of obtaining the ransom money amount might differ depending on particular regional (local) setups. The ransom money notes as well as tricks of obtaining the ransom money quantity might differ depending on particular local (local) settings.
For instance:
Faulty signals about unlicensed software.
In particular areas, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the target’s device. The sharp then demands the customer to pay the ransom.
Faulty statements regarding prohibited content.
In nations where software application piracy is much less preferred, this technique is not as effective for the cyber scams. Additionally, the Win32/Injector.COAB popup alert might wrongly declare to be originating from a police establishment and will certainly report having situated child porn or other illegal information on the tool.
Win32/Injector.COAB popup alert might wrongly declare to be obtaining from a regulation enforcement institution and will report having situated kid porn or various other prohibited information on the device. The alert will in a similar way contain a requirement for the customer to pay the ransom.
Technical details
File Info:
crc32: 6C8C9A9Amd5: 0f0ad1f2d8af21607e6ab954b82227ccname: 0F0AD1F2D8AF21607E6AB954B82227CC.mlwsha1: 8874734b17c67ee5025bbc552480af26aff8321dsha256: be5d7e6eacd849414443fdb6e56c9800a5ec4ca5db842a793be7f14be5203a9fsha512: e300b2454d357e5e581bf1dcf8d839f630e646bbafdd78e5025f78247180e3a2b0902916188f1d854025255e48583c0261d18cd34bde44242932df1ed219050cssdeep: 6144:lclgBCoMvJpr3IZVXBRVRC3BMaXGRTuKYAyqeT6y52cZuvrvD1hNVWfO6:l5C9Jpr3I3XBRi3WaXGEKXnW6RjPkvtype: PE32 executable (console) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: Warden (C) 2012InternalName: TensorFileDescription: RoadwayOriginalFilename: Unsellable.exeCompanyName: Actiontec Electronics Inc.
Win32/Injector.COAB also known as:
GridinSoft | Trojan.Ransom.Gen |
K7AntiVirus | Trojan ( 0001140e1 ) |
Elastic | malicious (high confidence) |
DrWeb | Trojan.Encoder.3158 |
Cynet | Malicious (score: 100) |
CAT-QuickHeal | Ransom.Crowti.MUE.B5 |
ALYac | Trojan.Agent.BOWV |
Cylance | Unsafe |
Zillya | Trojan.Fareit.Win32.12731 |
Sangfor | Trojan.Win32.Save.a |
CrowdStrike | win/malicious_confidence_100% (D) |
Alibaba | Ransom:Win32/Yakes.986e74fa |
K7GW | Trojan ( 0001140e1 ) |
Cybereason | malicious.2d8af2 |
Baidu | Win32.Trojan.Filecoder.k |
Cyren | W32/Trojan.EEQL-8964 |
Symantec | Ransom.TeslaCrypt |
ESET-NOD32 | a variant of Win32/Injector.COAB |
APEX | Malicious |
Avast | Win32:TeslaCrypt-AB [Trj] |
Kaspersky | Trojan.Win32.Yakes.nrhi |
BitDefender | Trojan.Agent.BOWV |
NANO-Antivirus | Trojan.Win32.Encoder.dzcdhl |
ViRobot | Trojan.Win32.TeslaCrypt.Gen.A |
SUPERAntiSpyware | Trojan.Agent/Gen-Dropper |
MicroWorld-eScan | Trojan.Agent.BOWV |
Tencent | Malware.Win32.Gencirc.10c4a2c8 |
Ad-Aware | Trojan.Agent.BOWV |
Sophos | ML/PE-A + Mal/Tinba-Y |
Comodo | Malware@#36dkamw8118zv |
BitDefenderTheta | Gen:NN.ZexaF.34628.vu0@aCoQqrdc |
VIPRE | Trojan.Win32.Generic!BT |
TrendMicro | Ransom_CRYPTESLA.SMJ4 |
McAfee-GW-Edition | Ransomware-FBH!0F0AD1F2D8AF |
FireEye | Generic.mg.0f0ad1f2d8af2160 |
Emsisoft | Trojan.Agent.BOWV (B) |
SentinelOne | Static AI – Malicious PE |
Jiangmin | Trojan.Yakes.dzu |
Webroot | W32.Trojan.Necurs |
Avira | HEUR/AGEN.1108567 |
eGambit | Generic.Malware |
Microsoft | VirTool:Win32/CeeInject.gen!E |
Arcabit | Trojan.Agent.BOWV |
GData | Trojan.Agent.BOWV |
TACHYON | Trojan/W32.Yakes.352256.G |
AhnLab-V3 | Trojan/Win32.Teslacrypt.R169988 |
Acronis | suspicious |
McAfee | Ransomware-FBH!0F0AD1F2D8AF |
MAX | malware (ai score=100) |
VBA32 | Trojan.Yakes |
Malwarebytes | Malware.Heuristic.1001 |
Panda | Trj/RansomCrypt.E |
TrendMicro-HouseCall | Ransom_CRYPTESLA.SMJ4 |
Rising | Trojan.Ransom-Tesla!1.A322 (CLOUD) |
Yandex | Trojan.Yakes!yeXziCBuNRo |
Ikarus | Trojan.Win32.Injector |
Fortinet | W32/Injector.COBY!tr |
AVG | Win32:TeslaCrypt-AB [Trj] |
Qihoo-360 | Win32/Trojan.CeeInject.HxQBEpsA |
How to remove Win32/Injector.COAB 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Win32/Injector.COAB 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.
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.
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:
If the guide doesn’t help you to remove Win32/Injector.COAB you can always ask me in the comments for getting help.
User Review
( votes)References
- GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
- More information about GridinSoft products: https://gridinsoft.com/comparison