Threat Database Trojans Trojan.Refog.C

Trojan.Refog.C

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 22
First Seen: February 12, 2024
Last Seen: February 2, 2026
OS(es) Affected: Windows

The detection of Trojan.Refog.C indicates that your system has been compromised by a type of malicious software known as a Trojan. This type of threat is designed to deceive users into installing it on their systems, often by disguising itself as a legitimate program or attachment. Once installed, it can cause a range of problems, from stealing sensitive information to disrupting system performance.

What Is Trojan.Refog.C?

Trojan.Refog.C is a type of Trojan horse malware that can infect a computer system without the user's knowledge or consent. The name "Trojan" refers to the fact that this type of malware often disguises itself as a legitimate program or file, much like the Trojan Horse of legend. The ".Refog.C" part of the name may indicate a specific variant or classification of the malware, but it does not provide detailed information about its behavior or characteristics.

How Trojan.Refog.C Operates

Like other types of Trojan malware, Trojan.Refog.C is designed to operate stealthily, avoiding detection by security software and system administrators. It may use various techniques to evade detection, such as encrypting its communications, hiding its files and processes, or disguising itself as a legitimate system component. Once installed, it can connect to a remote server to receive instructions, download additional malware, or transmit stolen data. The exact behavior of Trojan.Refog.C can vary depending on its purpose and the intentions of its creators.

Symptoms of Infection

A system infected with Trojan.Refog.C may exhibit a range of symptoms, including slow performance, frequent crashes, or unexplained changes to system settings. The malware may also cause unwanted pop-ups, redirects, or other types of intrusive behavior. In some cases, the infection may be asymptomatic, making it difficult to detect without the aid of security software. If you suspect that your system has been infected with Trojan.Refog.C, it is essential to take immediate action to remove the malware and prevent further damage.

How to Remove Trojan.Refog.C

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove all instances of the malware.
  3. Uninstall any suspicious programs or applications that may be related to the infection. Be cautious when removing programs, as some may be legitimate or required by your system.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings that may have been installed by the malware.
  5. Reboot your system and perform a follow-up scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

The removal of Trojan.Refog.C requires careful attention to detail and a thorough understanding of the malware's behavior and characteristics. By following the steps outlined above and using reputable security software, you can effectively remove the malware and prevent future infections. It is essential to remain vigilant and to take proactive measures to protect your system, such as keeping your operating system and software up to date, using strong antivirus protection, and avoiding suspicious downloads and attachments. Remember that prevention is key, and a well-protected system is the best defense against malware and other types of cyber threats.

Analysis Report

General information

Family Name: Trojan.Refog.C
Signature status: No Signature

Known Samples

MD5: f1c9083939a3fc6740bb2e5229383466
SHA1: 2b3aafa079f3cd381cae16119a023fbc787f5d84
SHA256: C3F032CA733A03A48AF90A0BE0ECC7C43825881FE1587E2E60B5D02CBCE51D03
File Size: 74.75 KB, 74752 bytes
MD5: c5b940fa13915409ccc1cb48bdb53706
SHA1: eca2532462b2e323ce62309fac0a70e4dfc695b6
SHA256: C4A1C6CC53EA77B783B32BD9CA9C3749FCDD3813961A9821FE61308FCAEF74CB
File Size: 74.75 KB, 74752 bytes
MD5: 309a3d9e46d1a16a68036df8f390b227
SHA1: 0c0acbebd5c4d201c4080e71f32808bec09ab7fb
SHA256: C084D261AE3A1A86B50DA33C9837ACC25244F3FD47F0538E59934D4D5D68FA1B
File Size: 74.75 KB, 74752 bytes
MD5: 8edac645fa01ef8c803b5d29d770d672
SHA1: 045cc55c2d79caf9739408c971460ca0017f6c5f
SHA256: C16182167E4273899FA539EF71B00A4CF6E947B32E7CDB3D2DB8F7F3B061C624
File Size: 74.75 KB, 74752 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 security 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)

Windows PE Version Information

Name Value
File Version
  • 9.5.2.4800
  • 9.5.0.4600
  • 9.4.7.4500
  • 9.4.4.4380
Product Version
  • 9.5.2.4800
  • 9.5.0.4600
  • 9.4.7.4500
  • 9.4.4.4380

File Traits

  • x64

Block Information

Total Blocks: 213
Potentially Malicious Blocks: 12
Whitelisted Blocks: 201
Unknown Blocks: 0

Visual Map

x 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x x x 0 x x x x x 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 x 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
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  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState

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