Skip to main content
Skip to main content
Microsoft Security Intelligence
500 entries found. Displaying page 4 of 25.
Updated on Apr 11, 2011
Worm:Win32/Slenfbot.AU is a worm that can spread via MSN Messenger. The worm also contains backdoor functionality that allows unauthorized access to an affected machine. This worm does not spread automatically upon installation, but must be ordered to spread by a remote attacker.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/Oderoor.gen!A is a backdoor Trojan that allows an attacker access to the compromised computer. This Trojan may connect with remote Web sites and SMTP servers.
Alert level: severe
Updated on Apr 11, 2011
Worm:Win32/Pushbot.BZ is a worm that spreads via MSN Messenger when commanded to by a remote attacker. This worm contains backdoor functionality that allows unauthorized access and control of an affected machine.
Alert level: severe
Updated on Apr 11, 2011
Worm:Win32/Brontok.AR@mm is detection for a group of variants of the Win32/Brontok worm family.
 
This worm spreads by sending a copy of itself as an e-mail attachment to e-mail addresses that it gathers from files on the infected computer. It can also copy itself to USB and pen drives. Win32/Brontok can disable antivirus and security software, immediately terminate certain applications, and cause Windows to restart immediately when certain applications run. The worm may also conduct denial of service (DoS) attacks against certain Web sites.
Alert level: severe
Updated on Apr 11, 2011
Worm:AutoIt/Sohanad.AI is an AutoIT script worm that spreads by copying itself to local and removable drives, and network shares. It may also send messages to contacts via Yahoo Messenger.
Alert level: severe
Updated on Apr 11, 2011
Worm:Win32/Slenfbot.ML is a worm that can spread via MSN Messenger. The worm also contains backdoor functionality that allows unauthorized access to an affected machine. This worm does not spread automatically upon installation, but must be ordered to spread by a remote attacker.
Alert level: severe
Updated on Apr 11, 2011
Worm:Win32/Qwizz.A!bat is a Batch script worm that may copy itself to networked shares, stop services, and download and execute other malware. This worm may be dropped by Worm:Win32/Qwizz.A.
Alert level: severe
Updated on Apr 11, 2011
Worm:Win32/Qwizz.A is a dropper that executes a dropped Batch script worm, identified as Worm:Win32/Qwizz.A!bat. The worm may copy itself to networked shares, and download and execute other malware.
Alert level: severe
Updated on Apr 11, 2011
Win32/Bagle.BA@mm!CME-477 is a mass-mailing worm. The worm spreads by sending a copy of itself as an e-mail attachment to e-mail addresses that it finds on the host computer. Win32/Bagle.BA@mm!CME-477 also spreads by copying itself to folders containing the string 'shar' in the folder name.
Alert level: severe
Updated on Jul 14, 2006
Win32/Evaman.G@mm is a mass-mailing worm that targets Microsoft Windows. The worm spreads by sending itself as an e-mail attachment to e-mail addresses that it finds using Yahoo! People Search. The worm infects the computer when the user opens the e-mail attachment. 
Alert level: severe
Updated on Jul 14, 2006
Worm:Win32/Alcan.B is a worm that spreads via peer-to-peer networking applications.  It may prevent system utilities from working and/or infect the computer with other malicious  software.
Alert level: severe
Updated on Nov 27, 2006
Worm:Win32/Zotob.F is a network worm that primarily targets Microsoft Windows 2000 computers that do not have Microsoft Security Bulletin MS05-039 installed. MS05-039 patches the Windows Plug-and-Play buffer overflow vulnerability. The worm can also infect computers running other Windows operating systems if it is delivered through e-mail, instant messaging, or other routes. The worm has a backdoor component that connects to an IRC server to receive commands from attackers.
Alert level: severe
Updated on Nov 27, 2006
Worm:Win32/Zotob.D is a backdoor Trojan that targets computers running Microsoft Windows 2000 that do not have MS05-039 installed. It can also infect computers running other versions of Windows operating systems if it is delivered through e-mail, instant messaging, or other routes. The Trojan connects to an IRC server from the infected computer to receive commands from attackers.
Alert level: severe
Updated on Mar 21, 2006
Win32/Sober.Z@mm is a mass-mailing worm that targets computers running Microsoft Windows. The worm sends a zipped copy of itself as an attachment to e-mail addresses that it finds on the infected computer. The worm runs when a user opens the attachment in the e-mail message.
 
This worm was assigned CME ID CME-681.
 
December 16, 2005 Update: Win32/Sober.Z@mm is programmed to download and run malicious files from certain Web domains beginning on January 6, 2006, midnight UTC/GMT . Beginning approximately every two weeks thereafter, the worm is set to begin downloading and running malicious files from additional sites on the same Web domains.
 
Alert level: severe
Updated on Feb 01, 2005
Win32/Netsky.B@mm is a mass-mailing worm that targets computers running certain versions of Microsoft Windows. The worm sends itself to e-mail addresses that it finds on the infected computer. The worm is activated when a user opens an e-mail attachment that contains the worm.
Alert level: severe
Updated on Feb 01, 2005
Win32/Korgo.E.worm is a network worm that targets computers running Microsoft Windows XP or Windows 2000 that do not have Microsoft Security Bulletin MS04-011 installed. The worm also monitors TCP ports and opens a backdoor to allow unauthorized access to infected systems. A computer infected with this worm may crash and reboot unexpectedly.
Alert level: severe
Updated on Feb 04, 2005
Win32/Korgo.W.worm is a network worm that targets computers running Microsoft Windows XP or Windows 2000 that do not have Microsoft Security Bulletin MS04-011 installed. The worm monitors TCP ports and opens a backdoor to allow unauthorized access to infected computers. A computer infected with this worm may crash and reboot unexpectedly.
Alert level: severe
Updated on Feb 07, 2005
Win32/Netsky.U@mm is a mass-mailing worm that targets computers running certain versions of Microsoft Windows. The worm sends itself to e-mail addresses that it finds on the infected computer. The worm is activated when a user opens the attachment that contains the worm. The worm also contains a backdoor and performs denial of service (DoS) attacks against certain Web sites.
Alert level: severe
Updated on Feb 07, 2005
Win32/Zafi.C@mm is a mass-mailing worm that targets certain versions of Microsoft Windows. The worm sends itself to certain e-mail addresses that it finds on an infected machine. The worm is activated when a user opens the e-mail attachment that contains the worm. The worm overwrites certain executable files on the infected computer.
Alert level: severe
Updated on Mar 03, 2005
Win32/Bagle.F@mm is a mass-mailing worm that targets computers running certain versions of Microsoft Windows. The worm sends itself as an attachment to e-mail addresses on the infected computer. It also spreads through file-sharing networks by copying itself to certain folders. The worm monitors a particular TCP port for instructions from remote attackers.
Alert level: severe