Virus:Win32/Cutwail.J 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.

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.  

WinNT/Cutwail is a component of the greater Win32/Cutwail multi-component family of malware. WinNT/Cutwail provides advanced stealth functionality for this family.

TrojanDropper:Win32/Cutwail.AD is a trojan that drops TrojanDownloader:Win32/Cutwail, a trojan that downloads and executes predefined malicious files.

TrojanDropper:Win32/Cutwail.AA is a trojan that drops TrojanDownloader:Win32/Cutwail.S, a trojan that downloads and executes predefined malicious files.

TrojanDownloader:Win32/Cutwail.BN 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.

TrojanDownloader:Win32/Cutwail.BH 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.

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.

TrojanDownloader:Win32/Cutwail.AY 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.

TrojanDownloader:Win32/Cutwail.AZ 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.

TrojanDownloader:Win32/Cutwail.BA 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.

Virus:Win32/Cutwail.gen!A is a generic detection for Win32/Cutwail; a multi-component family of malware that downloads and executes arbitrary files.

 

Virus:Win32/Cutwail.gen!A 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:

 

Its components are varied, but include:

Cutwail also employs a rootkit and other defensive techniques to avoid detection and removal.

Trojan:WinNT/Cutwail.A is a detection on the malicious loader used by Virus:WinNT/Cutwail.gen!A.

TrojanDownloader:Win32/Cutwail.AW is a downloading component of Virus:WinNT/Cutwail.gen!A.

TrojanDropper:Win32/Cutwail.T is a Trojan that drops a system driver to conceal itself, and downloads additional malicious programs onto the infected computer. Downloaded files may be executed from disk or injected directly into another process. Win32/Cutwail uses a rootkit and other defensive techniques to avoid detection and removal.

Virus:WinNT/Cutwail.A is a detection for a file that runs other components of the Win32/Cutwail family.

TrojanDropper:Win32/Cutwail.U is a generic detection for a Trojan family that drops a system driver to conceal itself, and downloads additional malicious programs onto the infected computer. Downloaded files may be executed from disk or injected directly into another process. The functionality of the files that are downloaded may change, but Win32/Cutwail usually downloads a Trojan which is able to send spam. Win32/Cutwail also uses rootkit and other defensive techniques to avoid detection and removal.

 

This variant may have been received as an attachment to a spammed e-mail message.

Cutwail is a trojan which is able to download and executes arbitrary files. Downloaded files may be executed from disk or injected directly into another process. Whilst the functionality of the files that are downloaded may change, Cutwail usually downloads a trojan which is able to send spam.

Cutwail also employs rootkit and other defensive techniques to avoid detection and removal.

TrojanDownloader:Win32/Cutwail.gen!D is a minor variant of Win32/Cutwail.gen, a Trojan family that drops a system driver to conceal itself, and downloads additional malicious programs onto the infected computer.