Skip to main content Threats Blogs Antimalware updates Definition change log Windows security Microsoft Defender ATP Microsoft Threat Protection Malicious Software Removal Tool (MSRT) Safety Scanner Microsoft Defender Offline Submit a file View submission history Report unsafe site Attack surface reduction Sources of infection Avoid tech support scams Troubleshoot detection and removal Up-to-date software Developer resources Threat naming Threat identification criteria Security industry alliances Microsoft Security Azure Dynamics 365 Microsoft 365 Microsoft Teams Windows 365 Microsoft AI Azure Space Mixed reality Microsoft HoloLens Microsoft Viva Quantum computing Sustainability Education Automotive Financial services Government Healthcare Manufacturing Retail Find a partner Become a partner Partner Network Microsoft Marketplace Software companies Blog Microsoft Advertising Developer Center Documentation Events Licensing Microsoft Learn Microsoft Research View Sitemap
2 entries found.
Updated on Jan 30, 2009
Windows Defender Antivirus detects and removes this threat.
 
Srizbi is a trojan that can be remotely controlled to send spam. It also contains rootkit functionality to hide itself.
Alert level: severe
Updated on Jan 27, 2009
TrojanDropper:Win32/Srizbi is detection for a collection of trojan droppers that commonly install a backdoor that allows remote access to infected systems. This backdoor may then be used by remote attackers to upload and install further malicious or unwanted software on the system and is identified as Spammer:WinNT/Srizbi.gen.
Alert level: severe
English (United States)
Your Privacy Choices Opt-Out Icon Your Privacy Choices
Consumer Health Privacy Sitemap Contact Microsoft Privacy Manage cookies Terms of use Trademarks Safety & eco Recycling About our ads