Threat Database Trojans Trojan.Downloader.Gen.SO

Trojan.Downloader.Gen.SO

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 27,215
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: May 31, 2026
Last Seen: June 5, 2026
OS(es) Affected: Windows

The detection of Trojan.Downloader.Gen.SO on your system indicates a potential security threat. This type of malware is designed to download and install additional malicious software on your computer, which can lead to a range of problems, including data theft, system crashes, and unauthorized access to your personal information. It is essential to take immediate action to remove the threat and prevent further damage.

What Is Trojan.Downloader.Gen.SO?

Trojan.Downloader.Gen.SO is a type of Trojan horse malware that is designed to download and install additional malicious software on your computer. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program or file, allowing it to bypass your system's security defenses. The "Downloader" part of the name indicates that this malware is specifically designed to download additional malicious software, which can include viruses, spyware, adware, and other types of malware.

How Trojan.Downloader.Gen.SO Operates

Trojan.Downloader.Gen.SO operates by exploiting vulnerabilities in your system's security or by tricking you into downloading and installing the malware. Once installed, the malware can download and install additional malicious software, which can include keyloggers, ransomware, and other types of malware. This can lead to a range of problems, including data theft, system crashes, and unauthorized access to your personal information. The malware can also communicate with its creators, allowing them to remotely control your system and steal your personal data.

Symptoms of Infection

The symptoms of a Trojan.Downloader.Gen.SO infection can vary, but common signs include slow system performance, frequent system crashes, and unusual pop-ups or advertisements. You may also notice that your system is behaving erratically, or that your personal data is being stolen or compromised. In some cases, you may not notice any symptoms at all, which is why it is essential to regularly scan your system for malware and other security threats.

  • Slow system performance
  • Frequent system crashes
  • Unusual pop-ups or advertisements
  • Erratic system behavior
  • Stolen or compromised personal data

How to Remove Trojan.Downloader.Gen.SO

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow you 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 the malware.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and perform a follow-up scan to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Downloader.Gen.SO from your system requires immediate attention and a comprehensive approach. By following the steps outlined above, you can help to ensure that the malware is completely removed and that your system is protected from future threats. It is also essential to take steps to prevent future infections, including regularly scanning your system for malware, avoiding suspicious downloads and email attachments, and keeping your operating system and software up to date. By taking a proactive approach to security, you can help to protect your personal data and prevent the spread of malware.

Analysis Report

General information

Family Name: Trojan.Downloader.Gen.SO
Signature status: Hash Mismatch

Known Samples

MD5: 5183ece3283d4d076fd6594b2e1b0bf1
SHA1: 08f86ff2579caaf04ea3f3dcf94b19ce6ba32fe4
SHA256: 6D2FA43545DAC5A71F54B05A7CA0F1A4562493ED1B28DDBC3656ACD9790C1BDA
File Size: 539.81 KB, 539808 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File has exports table
  • File is 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is Native application (NOT .NET application)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Company Name Microsoft Corporation
File Description Microsoft CDL
File Version 15.0.4569.1501
Internal Name CDL
Legal Trademarks1 Microsoft® is a registered trademark of Microsoft Corporation.
Legal Trademarks2 Windows® is a registered trademark of Microsoft Corporation.
Original Filename CDLMSO.DLL
Product Name Microsoft Office 2013
Product Version 15.0.4569.1501

Digital Signatures

Signer Root Status
Microsoft Corporation Microsoft Code Signing PCA Hash Mismatch

File Traits

  • dll
  • x64

Block Information

Total Blocks: 2,541
Potentially Malicious Blocks: 11
Whitelisted Blocks: 2,530
Unknown Blocks: 0

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

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Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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