Dr. Web is a Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n anti-virus suite. It was first released in 1992, and become the first anti-virus service in Russia.

The software offers anti-virus and anti-spam solutions and is used by Yandex

Yandex

Yandex is a Russian IT company which operates the largest search engine in Russia and develops a number of Internet-based services and products. Yandex is ranked as 5-th world largest search engine...

, the Russia's biggest search provider, to scan e-mail

E-mail

Electronic mail, commonly known as email or e-mail, is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks. Some early email systems required that the author and the recipient both be online at the...

 attachments.. There is also an add-on for Firefox which checks links with the online version of Dr. Web.

Dr. Web Anti-virus

Doctor Web's anti-virus software includes anti-rootkit

Rootkit

A rootkit is software that enables continued privileged access to a computer while actively hiding its presence from administrators by subverting standard operating system functionality or other applications...

, anti-spyware

Spyware

Spyware is a type of malware that can be installed on computers, and which collects small pieces of information about users without their knowledge. The presence of spyware is typically hidden from the user, and can be difficult to detect. Typically, spyware is secretly installed on the user's...

, shield, SpIDer-Mail components, and features a system tray interface.

Dr. Web console scanners are available for MS DOS, OS/2

OS/2

OS/2 is a computer operating system, initially created by Microsoft and IBM, then later developed by IBM exclusively. The name stands for "Operating System/2," because it was introduced as part of the same generation change release as IBM's "Personal System/2 " line of second-generation personal...

, and Windows

Microsoft Windows

Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

.. They all use the same virus

Computer virus

A computer virus is a computer program that can replicate itself and spread from one computer to another. The term "virus" is also commonly but erroneously used to refer to other types of malware, including but not limited to adware and spyware programs that do not have the reproductive ability...

 database and search module, which are updated hourly. Console scanners can be installed onto an infected PC

Personal computer

A personal computer is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator...

s or can be run without installation

Installation (computer programs)

Installation of a program is the act of putting the program onto a computer system so that it can be executed....

.

Dr. Web console scanners do not use the Windows system registry

Windows registry

The Windows Registry is a hierarchical database that stores configuration settings and options on Microsoft Windows operating systems. It contains settings for low-level operating system components as well as the applications running on the platform: the kernel, device drivers, services, SAM, user...

. Progress bar is displayed in the console scanners by default.

Effectiveness

History of Dr.Web tests by Anti-Malware Test Lab:

Dr. Web version	date	name of test	award	results
5.0	02/16/2010	treatment of active infections	Gold Malware Treatment Award	81%
5.0	03/16/2009	detection and false alarm	Silver Proactive Protection Award	61% - 0.2%
5.0	01/16/2009	self protection test	Platinum Self-Protection Award (ahead of Avast! and Kaspersky)	100%
4.44	24/01/2008	treatment of active infections	Platinum Malware Treatment Award (ahead of Avast! and Kaspersky)	100%
4.44	11/01/2008	anti-rootkit tests	Silver Anti-Rootkit Protection Award	5 of 8
4.44	03/20/2008	detection of polymorphic viruses	Silver Anti-Polymorphic Protection Award	21 out of 33
4.33	08/15/2006	packers support test	Silver Packers Support	76%

Download.com

Download.com

Download.com is an Internet download directory website, launched in 1996 as a part of CNET. Originally, the domain was download.com.com. The domain download.com attracted at least 113 million visitors annually by 2008 according to a Compete.com study....

ranked the CureIt utility 4.5 out of 5 in 2010, the drawback being the slow speed of the scan.