Win32/Zlob is a family of Trojans that modify Internet Explorer settings, redirect the default internet search and home pages, and attempt to download and execute malicious software from the Internet.

Tool:Win32/Cain is the detection for a password recovery tool, which is capable of retrieving passwords by:

 

The user interface of Tool:Win32/Cain may look like the following:

 

Microsoft security software detects and removes this threat.

This family of trojans can steal your personal and financial information, and give a malicious hacker access and control of your PC. They can also lower your Internet browser security and turn off your firewall.

We have seen these threats download other malware, including threats from the Win32/Crilock and Win32/Necurs families. Crilock ransomware can encrypts your files and then demand money to unlock them. Necurs malware can disable your security software and redirect your web browser.

Win32/Zbot can be installed on your PC via spam emails and hacked websites, or packaged with other malware families.

Find out ways that malware can get on your PC.

Win32/Swif is a generic detection for maliciously-crafted SWF (Small Web Format) files. SWF files are commonly used for graphics and video online and are developed for the Adobe Flash platform.

Windows Defender detects and removes this threat.

This threat can use your PC to send spam emails.

We have it being installed by TrojanDownload:Win32/Kebster.A.

Win32/Gael.A is a parasitic virus that targets certain versions of Microsoft Windows. The virus infects Win32 PE .exe files locally and on writeable network shares. The virus can also download TrojanDownloader:Win32/Gael.A from a Web site and run the file, which in turn downloads Backdoor:Win32/Gael.A from a Web site.

Win32/Mytob is a family of mass-mailing worms that targets computers running certain versions of Microsoft Windows. The worm can spread by exploiting Windows vulnerabilities that are fixed by installing Microsoft Security Updates MS03-026 and MS04-011. The worm can also spread by sending a copy of itself through e-mail, MSN Messenger, or Windows Messenger. 

Win32/Gael.A is a parasitic virus that targets certain versions of Microsoft Windows. The virus infects Win32 PE .exe files locally and on writeable network shares. The virus can also download TrojanDownloader:Win32/Gael.A from a Web site and run the file, which in turn downloads Backdoor:Win32/Gael.A from a Web site.

Windows Defender detects and removes this threat.

This virus infects Windows executable files (.EXE) and HTML files (.HTML). It can also give a malicious hacker access to your PC.

It spreads through infected removable drives, such as USB flash drives.

Find out ways that malware can get on your PC.

Win32/Nachi is a family of network worms that spread across network connections by exploiting one or more vulnerabilities in Microsoft Windows 2000 and Windows XP. These worms can also spread using backdoors opened by other malicious software. The worm tries to download and apply security updates; some variants try to remove other malicious software that may be on the infected computer. Some variants replace Web pages stored on the computer with their own Web page.

Win32/Korgo is a family of worms that spread by exploiting vulnerabilities in certain versions of Microsoft Windows that do not have Microsoft Security Bulletin MS04-011 installed. Some variants of this worm open a backdoor component to gain unauthorized access to other computers.

Windows Defender Antivirus detects and removes this threat.

 

Sobig is a family of mass-mailing worms that target PCs running certain versions of Microsoft Windows.

 

The worm sends itself to email addresses that it finds on the infected PC. The worm may also spread to writeable network shares.

Win32/Bagle is a family of mass-mailing worms that targets certain versions of Microsoft Windows. The worm spreads primarily through e-mail, though some variants also spread through peer-to-peer networks. The worm acts as a backdoor Trojan, allowing an attacker to access a computer that it has infected. The backdoor can be used to distribute other malicious software. Some variants of Win32/Bagle infect executable files.