Trojan.Decap.A
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Popularity Rank: | 15,898 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 521 |
| First Seen: | February 21, 2019 |
| Last Seen: | July 7, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Decap.A on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and it's essential to understand its nature and take steps to remove it.
Table of Contents
What Is Trojan.Decap.A?
Trojan.Decap.A is a type of Trojan horse malware, which is a malicious program that disguises itself as legitimate software. The name "Trojan" refers to the fact that this type of malware often infiltrates a system by masquerading as a harmless or useful program. Once inside, it can cause significant damage, including data theft, system compromise, and disruption of normal computer operation.
How Trojan.Decap.A Operates
Trojan.Decap.A, like other Trojans, operates by exploiting vulnerabilities in software or tricking users into installing it. It may arrive as an attachment in a spam email, be downloaded from a compromised website, or be bundled with other software. Once installed, it can connect to remote servers to receive instructions, download additional malware, or transmit stolen data. Its primary goal is to remain hidden while it carries out its malicious activities, making it challenging to detect without proper security tools.
Symptoms of Infection
Identifying a Trojan infection can be difficult, as these malware types are designed to be stealthy. However, some common symptoms may indicate the presence of Trojan.Decap.A or similar malware. These include unexpected changes to your computer's settings, unusual network activity, slow system performance, and the appearance of unwanted programs or toolbars. Additionally, you might notice that your browser is being redirected to unwanted sites, or you're seeing pop-ups and ads when you're not browsing the internet.
- Unexplained changes in system settings or files
- Increased network activity without apparent cause
- Slowdown in computer performance
- Appearance of unwanted software or browser extensions
- Redirects to unwanted websites
- Pop-ups and ads when not browsing
How to Remove Trojan.Decap.A
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any associated malware.
- Uninstall any suspicious programs that you don't recognize or that were installed around the time you noticed the infection. Be cautious and only remove programs you are sure are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
- After taking these steps, reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.Decap.A requires careful and systematic steps to ensure that all components of the malware are eliminated from your system. It's crucial to act quickly to prevent further damage and to protect your personal data. Regularly updating your operating system, using reputable security software, and practicing safe computing habits can help prevent future infections. Remember, vigilance and proactive security measures are key to maintaining the integrity and security of your computer system.
Analysis Report
General information
| Family Name: | Trojan.Decap.A |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
fa6012955bff9f28557eab88f6a730b1
SHA1:
f5761c051cf1abf8031f0eefb49b07747e02ae94
SHA256:
72741CA4F673361684827B02361661199A33C05A98FB25705E0C951262644D91
File Size:
5.54 MB, 5543282 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have relocations information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
Show More
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Company Name | philandro Software GmbH |
| File Description | AnyDesk |
| File Version | 6.2.6.0 |
| Legal Copyright | (C) 2021 philandro Software GmbH |
| Product Name | AnyDesk |
| Product Version | 6.2 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| philandro Software GmbH | DigiCert SHA2 Assured ID Code Signing CA | Hash Mismatch |
| philandro Software GmbH | DigiCert SHA2 Assured ID Code Signing CA | Hash Mismatch |
File Traits
- big overlay
- HighEntropy
- WriteProcessMemory
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 11 |
|---|---|
| Potentially Malicious Blocks: | 8 |
| Whitelisted Blocks: | 3 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Decap.A
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Process Shell Execute |
|
| Process Manipulation Evasion |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\Users\Xbtkoavh\AppData\Local\Temp (NULL)
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explorer.exe
|
