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Microsoft Security Intelligence
291 entries found. Displaying page 1 of 15.
Updated on Sep 14, 2014

Windows Defender detects and removes this threat.

This threat downloads and runs files on your PC, including a trojan that sends spam emails. It can also steal your email user names and passwords, as well as your FTP credentials, using a plugin detected as PWS:Win32/Fareit.gen!C.

This threat also uses a rootkit and other defensive techniques to avoid detection and removal.

Find out ways that malware can get on your PC.  

Alert level: severe
Updated on Apr 11, 2011
VirTool:WinNT/Cutwail.J is the detection for the driver component that is a member of the Win32/Alureon family.
Also detected as: Win32/Cutwail(CA)
Alert level: severe
Updated on Apr 11, 2011
WinNT/Cutwail is a component of the greater Win32/Cutwail multi-component family of malware. WinNT/Cutwail provides advanced stealth functionality for this family.
Alert level: high
Updated on Nov 12, 2008
Alert level: severe
Updated on Mar 25, 2013
Alert level: severe
Updated on Apr 25, 2016
Alert level: severe
Updated on Sep 05, 2009
Alert level: severe
Updated on Dec 18, 2012
Alert level: severe
Updated on Jan 25, 2009
Alert level: severe
Updated on Oct 07, 2008
Alert level: severe
Updated on Apr 11, 2011
Virus:Win32/Cutwail.H is a member of Win32/Cutwail - a multi-component family of malware that downloads and executes arbitrary files. This functionality is mostly used to install additional Cutwail components, and other malware on an affected machine. In general, the Cutwail family is used to compromise machines and direct them in various ways at the attacker's will, usually for monetary gain. This could include using the affected machine to distribute additional malware, send spam, generate 'pay per click' advertising revenue, harvest e-mail addresses, and break captchas. Its components are varied, but include trojan downloaders and droppers, spammers, and viruses. Cutwail also employs a rootkit and other defensive techniques to avoid detection and removal.
 
This particular component is used in conjunction with other Cutwail components to perform Cutwail's payload - to download and execute arbitrary files.
Also detected as: Win32/Cutwail.AUX(CA)
Alert level: severe
Updated on Apr 11, 2011
Virus:Win32/Cutwail.G is a member of Win32/Cutwail - a multi-component family of malware that downloads and executes arbitrary files. This functionality is mostly used to install additional Cutwail components, and other malware on an affected machine. In general, the Cutwail family is used to compromise machines and direct them in various ways at the attacker's will, usually for monetary gain. This could include using the affected machine to distribute additional malware, send spam, generate 'pay per click' advertising revenue, harvest e-mail addresses, and break captchas. Its components are varied, but include trojan downloaders and droppers, spammers, rootkits and viruses. Cutwail also employs a rootkit and other defensive techniques to avoid detection and removal.
Also detected as: Win32/Cutwail.ATB(CA)
Alert level: severe
Updated on Apr 11, 2011
Virus:Win32/Cutwail.F is a member of Win32/Cutwail - a multi-component family of malware that downloads and executes arbitrary files. This functionality is mostly used to install additional Cutwail components, and other malware on an affected machine. In general, the Cutwail family is used to compromise machines and direct them in various ways at the attacker's will, usually for monetary gain. This could include using the affected machine to distribute additional malware, send spam, generate 'pay per click' advertising revenue, harvest e-mail addresses, and break captchas. Its components are varied, but include trojan downloaders and droppers, spammers, rootkits and viruses. Cutwail also employs a rootkit and other defensive techniques to avoid detection and removal.
Also detected as: Win32/Cutwail.XA (CA)
Alert level: severe
Updated on Apr 11, 2011
TrojanDownloader:Win32/Cutwail.W is a generic detection for a trojan that downloads other malware from various websites.
Also detected as: Win32/Cutwail!generic(CA)
Alert level: severe
Updated on May 17, 2010
TrojanDownloader:Win32/Cutwail.gen!C is a Trojan that downloads and executes arbitrary files and uses advanced stealth techniques in order to hide its presence on the affected system.
Also detected as: TrojanDownloader:Win32/Cutwail.P(Microsoft)
Alert level: severe
Updated on Apr 11, 2011
TrojanDropper:Win32/Cutwail.AD is a trojan that drops TrojanDownloader:Win32/Cutwail, a trojan that downloads and executes predefined malicious files.
Also detected as: Win32/Cutwail.HX(CA)
Alert level: severe
Updated on May 17, 2010
TrojanDownloader:Win32/Cutwail.gen!B is a trojan that injects another malware into the svchost.exe process to be able to bypass the firewall. It also creates another device, which is used to communicate with other malware components. It may also connect to various IP addresses, presumably to download other malware.
Also detected as: Win32/Cutwail.QM(CA)
Alert level: severe
Updated on Apr 11, 2011
Trojan:Win32/Cutwail.AQ is a trojan that drops another malware into the system.
Alert level: severe
Updated on May 01, 2013
TrojanDownloader:Win32/Cutwail.CA is a member of Win32/Cutwail - a multi-component family of malware that downloads and executes arbitrary files. This functionality is mostly used to install additional Cutwail components, and other malware on an affected computer. In general, the Cutwail family is used to compromise computers and direct them in various ways at the attacker's will, usually for monetary gain. This could include using the affected computer to distribute additional malware, send spam, generate 'pay per click' advertising revenue, harvest email addresses, and break captchas. Its components are varied, but include trojan downloaders and droppers, spammers, and viruses. Cutwail also employs a rootkit and other defensive techniques to avoid detection and removal.
Alert level: severe
Updated on Sep 14, 2014
Windows Defender Antivirus detects and removes this threat.
 
This virus can download files, including other malware onto your PC.
 
See the Win32/Cutwail entry for more information.
 
Alert level: severe