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
10 entries found.
Updated on Sep 08, 2009
Win32/Bredolab is a downloader which is able to download and execute arbitrary files from a remote host.
Alert level: severe
Updated on May 28, 2009
TrojanDownloader:Win32/Bredolab.G is a detection of malware that connects to a remote server to download and execute files.
Alert level: severe
Updated on Jul 15, 2009
PWS:Win32/Daurso.gen!A is a generic detection for a group of trojans that attempt to steal FTP credentials.
Alert level: severe
Updated on Jun 25, 2010
Worm:Win32/Prolaco.gen!E is a generic detection of a worm that spreads via e-mail message attachments, removable drives and shared folders of P2P applications. This worm also lowers security settings and disables certain security software and services.
Alert level: severe
Updated on Apr 13, 2010
TrojanDropper:Win32/Oficla.J is a detection for a trojan that installs and executes Trojan:Win32/Oficla.M, a trojan that attempts to inject code into a running process to download a rogue security program identified as TrojanDownloader:Win32/FakeScanti.
Alert level: severe
Updated on Oct 14, 2010

Trojan:Win32/Mooplids.A is a detection for a trojan that downloads additional malware.

Alert level: severe
Updated on Mar 30, 2011
Trojan:Win32/Oficla.AI is a trojan that attempts to download and execute arbitrary files.
Alert level: severe
Updated on Apr 27, 2011

TrojanDownloader:Win32/Dofoil.D is a trojan that may arrive as a spammed email attachment. It downloads arbitrary files from a remote server.

On March 6, 2018, behavior monitoring and machine learning technologies in Microsoft Defender Antivirus stopped a Dofoil variant (also known as Smoke Loader) that tried to infect more than 400,000 computers. The massive campaign aimed to install a cryptocurrency miner that uses victim computers' resources for coin mining purposes. Learn how artificial intelligence stopped the attack within minutes:

Behavior monitoring combined with machine learning spoils a massive Dofoil coin mining campaign

Alert level: severe
Updated on Dec 31, 2009
TrojanDownloader:Win32/Bredolab is a detection for malware that connects to a remote server to download and execute other files.
Alert level: severe
Updated on Oct 07, 2010
TrojanDropper:Win32/Bredolab is a trojan that injects another malware code into its process. The other malware may be detected as TrojanDownloader:Win32/Bredolab.X.
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