Trojan.Kryptik.MFRC
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: | 14,436 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 4 |
| First Seen: | July 25, 2026 |
| Last Seen: | October 11, 2026 |
| OS(es) Affected: | Windows |
Trojan.Kryptik.MFRC is a Windows-based Trojan horse that belongs to the broad and long-running Kryptik malware family. It is classified as a dangerous threat, carrying a danger level of 8 out of 10, because of its ability to run silently on infected systems while giving attackers deep access to the compromised machine. Security systems have tracked activity tied to this detection between late July 2026 and October 2026, indicating it remains an active threat in current circulation.
Table of Contents
What Trojan.Kryptik.MFRC Does
Once it lands on a system, Trojan.Kryptik.MFRC installs itself stealthily and runs quietly in the background, often without producing any visible signs to the user. It is built as a native 64-bit Windows application written in Golang, and it does not appear to be packed, which can sometimes help it blend in with legitimate-looking software while still carrying out harmful operations.
The core danger of this Trojan is the level of control it can hand over to remote attackers. Once active, it may allow hackers to gain extensive or even complete control over the infected system. Reported malicious behaviors associated with this family include covertly deleting files, installing additional malicious components, and carrying out other damaging actions on the compromised device without the user's knowledge or consent. Its analyzed code also interacts with low-level Windows system functions related to writing files, managing memory, and handling system events — activity consistent with a threat designed to operate stealthily and manipulate the infected system at a deep level.
The samples examined were found to be self-signed rather than verified by a trusted certificate authority, a common trait among Trojans trying to appear legitimate while avoiding the scrutiny that comes with properly validated software signing.
How It Usually Gets onto Computers
Trojan.Kryptik.MFRC typically spreads by exploiting system vulnerabilities and security flaws on unpatched or poorly protected machines. It commonly arrives bundled with software downloaded from malicious or compromised websites, or hidden inside email attachments sent from untrusted or spoofed sources. These attachments are often disguised using file extensions such as .exe, .pif, .avi, and even .jpg, tricking users into believing they are opening a harmless file when they are actually launching the Trojan.
Risks for the User
Because this Trojan can grant attackers near-total control over an infected machine, the risks extend well beyond simple annoyance. Victims may face unauthorized file deletion, additional malware being silently installed, data theft, system instability, and further compromise of personal or business information. Trojans in this family are often used as a foothold for deploying further malicious payloads once initial access has been established.
Signs of Infection
Because Trojan.Kryptik.MFRC is specifically designed to run silently, visible symptoms may be minimal or absent. Users should still watch for unusual system slowdowns, unexpected new files or programs appearing, unfamiliar processes running in the background, unexplained changes to files, or unusual network activity — all of which are typical red flags for this category of threat.
How to Stay Protected
Users can reduce their risk by keeping Windows and all installed software fully updated to close known vulnerabilities, avoiding downloads from untrusted or unofficial websites, and being cautious with unexpected email attachments, even ones that appear to be images or video files. Regularly backing up important data, using a reputable and updated security solution, and avoiding the use of administrator-level accounts for everyday tasks can also significantly lower the chances of infection and limit the damage if a compromise does occur.
Analysis Report
General information
| Family Name: | Trojan.Kryptik.MFRC |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
271ff5ff8fd1eb97b61dffd874abfd8b
SHA1:
a646abe44c161fee3208663cbdcae4e21138d3db
SHA256:
8D4417B139D759449A456EF7EC26F5E21CD2C8BB45C7C2F2BAF850DB983DA9AA
File Size:
3.77 MB, 3770792 bytes
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MD5:
a95371ef9eeadb862ce53f2af4c3a051
SHA1:
86e72a16d19250d8cc14eb06c5abe492860cc420
SHA256:
0EC1F786D4C2EA2B1B2BCE888F7A36FC1E8C5C0A688CE54D8F32D5A9344B847A
File Size:
3.49 MB, 3488128 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 resources
- 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)
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 |
|---|---|---|
| Atlas Beacon Studios | Atlas Beacon Studios | Self Signed |
| Orbital Spark | Orbital Spark | Self Signed |
File Traits
- golang
- No Version Info
- 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: | 3,989 |
|---|---|
| Potentially Malicious Blocks: | 3 |
| Whitelisted Blocks: | 3,905 |
| Unknown Blocks: | 81 |
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.MPGA
- Agent.MPGB
- Kryptik.BVR
- Kryptik.FRSE
- Kryptik.NFRH
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- Rozena.DDA
- Trojan.Downloader.Gen.AON
- Trojan.Metasploit.Gen.AB
- Trojan.Metasploit.Gen.W
- Trojan.ShellcodeRunner.Gen.TJ
- Trojan.ShellcodeRunner.Gen.UA
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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