Trojan.Kryptik.Gen.KEL
Trojan.Kryptik.Gen.KEL is a detection name used to flag a Trojan horse program that security tools identify as part of the broad "Kryptik" family. This type of detection name is often generic, meaning it can be applied to a variety of malicious files that share similar characteristics, such as being packed, obfuscated, or encrypted to hide their true purpose from antivirus scanners. Because specific details about this particular sample are not available, this article describes the typical behavior of threats in this category.
Table of Contents
What This Threat Does
Trojans classified under the Kryptik family are generally designed to disguise their malicious code using encryption or packing techniques, making it harder for security software to analyze them. Once such a Trojan is active on a system, it may perform a range of harmful actions, which can include:
- Downloading and installing additional malware onto the infected computer
- Collecting sensitive information such as login credentials, browsing habits, or system data
- Modifying system settings or security configurations to avoid detection and removal
- Establishing a connection to a remote server controlled by cybercriminals, allowing the Trojan to receive further instructions
- Running hidden processes in the background that consume system resources
Because this is a generic detection, the exact payload and intent can vary between infections, but the underlying goal is typically to compromise the security and privacy of the affected device.
How It Usually Gets Onto Computers
Trojans like this one commonly spread through methods designed to trick users into executing malicious files. Typical infection vectors include:
- Email attachments disguised as invoices, receipts, or other legitimate-looking documents
- Links in phishing emails or messages that lead to malicious downloads
- Bundled installers for free or pirated software
- Fake software updates or cracked program downloads from untrustworthy websites
- Malicious advertisements or compromised websites that trigger automatic downloads
Risks for the User
Allowing a Trojan of this kind to remain active on a system can lead to several serious consequences. These may include theft of personal or financial information, unauthorized access to the computer by remote attackers, further infection with additional malware such as ransomware or spyware, and degraded system performance due to background malicious activity. In some cases, the compromised system may also be used as part of a larger network of infected machines without the owner's knowledge.
Signs of Infection
While some Trojans operate silently, users may notice certain warning signs, such as:
- Unexpected slowdowns or freezes
- Unusual network activity or increased data usage
- Unfamiliar programs or processes running in the background
- Security software reporting detections it cannot fully remove
- Changes to browser settings or unexpected pop-ups
How to Stay Protected
To reduce the risk of encountering threats like this, users should avoid opening email attachments or clicking links from unknown or unexpected senders, download software only from official and reputable sources, keep the operating system and installed applications updated, and use reliable security software to scan downloads and monitor system activity. Regularly backing up important files also helps minimize damage in case of infection.
Analysis Report
General information
| Family Name: | Trojan.Kryptik.Gen.KEL |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
15a01cd2552385fdc4faa28031832b0e
SHA1:
6a6ca815ce150003250cd7ae1c6758585d1a7dca
SHA256:
65906FB22F064769CD8FE348ED4EA3BCE316285F5A99D7E30671F58E75E49902
File Size:
135.05 KB, 135048 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File has TLS information
- File is 64-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)
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- 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 |
|---|---|
| Build Id | D432A485-3D36-409C-A365-ADF3D5A50D13 |
| Company Name | Google LLC |
| File Description | Google Installer (x86) |
| File Version | 152.0.7933.0 |
| Internal Name | Google Installer (x86) |
| Legal Copyright | Copyright 2026 Google LLC. All rights reserved. |
| Original Filename | UpdaterSetup.exe |
| Product Name | Google Installer (x86) |
| Product Version | 152.0.7933.0 |
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 |
|---|---|---|
| Chrome Setup | Chrome Setup | Self Signed |
File Traits
- HighEntropy
- Installer Version
- x64
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: | 192 |
|---|---|
| Potentially Malicious Blocks: | 24 |
| Whitelisted Blocks: | 168 |
| 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.- Agent.MPSF
- HackKMS.UE
- Kryptik.NGDA
- Trojan.Kryptik.Gen.KEL
- Trojan.ReverseShell.Gen.CM
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\programdata\google\update\googleupdate.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\programdata\google\update\googleupdate.exe | Synchronize,Write Attributes |
| c:\programdata\google\update\gupdater2.dll | Generic Write,Read Attributes |
| c:\programdata\google\update\gupdater2.dll | Synchronize,Write Attributes |
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 |
|---|---|
| Syscall Use |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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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:\ProgramData\Google\Update\GoogleUpdate.exe"
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"C:\ProgramData\Google\Update\GoogleUpdate.exe" -d "c:\users\user\downloads\6a6ca815ce150003250cd7ae1c6758585d1a7dca_0000135048"
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