Threat Database Trojans Trojan.WinnerRAT

Trojan.WinnerRAT

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 10,550
Threat Level: 80 % (High)
Infected Computers: 707
First Seen: June 6, 2018
Last Seen: July 10, 2026
OS(es) Affected: Windows

The detection of Trojan.WinnerRAT on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operation, symptoms, and most importantly, steps to remove it from your system. It's crucial to approach this situation with a clear understanding of the risks and the necessary actions to mitigate them.

What Is Trojan.WinnerRAT?

Trojan.WinnerRAT is identified as a Trojan-type threat, which is a category of malware that disguises itself as legitimate software to gain unauthorized access to a computer system. Trojans can be used to spy on users, steal sensitive information, disrupt system operation, or provide a backdoor for other malicious activities. The name itself does not directly imply a specific malware family, but rather categorizes it based on its operational characteristics.

How Trojan.WinnerRAT Operates

Trojan.WinnerRAT, like other Trojans, is designed to operate stealthily, aiming to remain undetected by traditional security measures. It may exploit vulnerabilities in software or use social engineering tactics to trick users into installing it. Once installed, it can communicate with its command and control servers to receive instructions, which could range from data exfiltration to installing additional malware. Its ability to disguise itself as a legitimate program makes it particularly dangerous, as users may unknowingly interact with it or delay removing it.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely, depending on the specific goals of the malware. Common indicators include unexpected changes to system settings, unfamiliar programs or icons, slow system performance, frequent crashes, or unusual network activity. Some Trojans may also trigger alerts from security software, though sophisticated ones may evade detection. It's essential to be vigilant and monitor system behavior closely for any signs of compromise.

  • Unexplained changes in system settings or performance
  • Appearance of unfamiliar programs or icons
  • Frequent system crashes or freezes
  • Unusual or increased network activity

How to Remove Trojan.WinnerRAT

  1. Enter Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process while still allowing you to download necessary tools.
  2. Perform a Full Scan with a Reputable Tool: Utilize a well-regarded anti-malware tool, such as SpyHunter, to scan your system thoroughly. Ensure the tool is updated to increase the chances of detecting and removing the Trojan.
  3. Uninstall Suspicious Programs: Review your installed programs and remove any that are unfamiliar or were installed around the time the malware was detected.
  4. Reset Browsers: If your browsers (such as Chrome, Firefox, Edge) have been affected, resetting them to their default settings can help remove malicious extensions or settings changes.
  5. Reboot and Re-scan: After taking these steps, reboot your system and perform another full scan to ensure the malware has been completely removed.

Conclusion

Removing Trojan.WinnerRAT requires a methodical approach to ensure your system is thoroughly cleaned and protected against future threats. It's also a reminder of the importance of preventive measures, including keeping your operating system and software up to date, using strong, unique passwords, and being cautious with emails and downloads from unknown sources. By understanding the nature of Trojan threats and taking proactive steps, you can significantly reduce the risk of infection and protect your digital security.

Analysis Report

General information

Family Name: Trojan.WinnerRAT
Signature status: No Signature

Known Samples

MD5: 8d80cc68f4a83fe224f4a9597fc3601b
SHA1: a705b5f8701d3e0a5abb63573c5c22fb2a3316f6
SHA256: 6E75956B10E2F7FCBAE11F386FB285F2BD835B18AE47C3825AE76F225364C7C0
File Size: 4.88 MB, 4876800 bytes
MD5: 1195a3667c44360ec1b164b08e7e3e83
SHA1: 57b1a4d255a031695e0fe7d301fa69e16366d642
SHA256: 210EFF4B6D1E0335A520E71D6640DDF0C06D33F8708EF7A30393A50AB65107C6
File Size: 4.61 KB, 4608 bytes
MD5: c3526ab05eb19f77d24052251ea0b264
SHA1: 02103aec3b93cda1cc7026b6d273f02f156d6780
SHA256: 8B1214A5100CE674EA9D260D7975C0A8934CAEC35FEFCE905A1D9CB1540E6503
File Size: 7.68 KB, 7680 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • 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
Assembly Version 1.0.0.0
Company Name Rat
File Description
  • DriftPartsRat
  • Rat
File Version 1.0.0.0
Internal Name
  • DriftPartsRat.dll
  • Rat.dll
  • Rat.exe
Legal Copyright Copyright © 2025
Original Filename
  • DriftPartsRat.dll
  • Rat.dll
  • Rat.exe
Product Name
  • DriftPartsRat
  • Rat
Product Version
  • 1.0.0.0
  • 1.0.0

File Traits

  • .NET
  • dll
  • HighEntropy
  • x86

Block Information

Total Blocks: 8
Potentially Malicious Blocks: 0
Whitelisted Blocks: 7
Unknown Blocks: 1

Visual Map

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

Similar Families

  • MSIL.Tiny.ABA
  • MSIL.Tiny.AN

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
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  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiGetDCforBitmap
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiRestoreDC
  • win32u.dll!NtGdiSaveDC
  • win32u.dll!NtGdiSelectBitmap
  • win32u.dll!NtGdiSetDIBitsToDeviceInternal
  • win32u.dll!NtUserBuildHwndList
  • win32u.dll!NtUserCallTwoParam
  • win32u.dll!NtUserCreateEmptyCursorObject
  • win32u.dll!NtUserCreateWindowEx
  • win32u.dll!NtUserDestroyWindow
  • win32u.dll!NtUserFindExistingCursorIcon
  • win32u.dll!NtUserGetAncestor
  • win32u.dll!NtUserGetClassInfoEx
  • win32u.dll!NtUserGetClassName
  • win32u.dll!NtUserGetDC
  • win32u.dll!NtUserGetGUIThreadInfo

23 additional items are not displayed above.

User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent

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