Method and device for detecting and removing computer viruses

A computer virus and virus technology, applied in the field of computer security, can solve the problems of low virus detection efficiency, no input and output optimization, etc., and achieve the effect of improving flexibility and efficiency, flexible control ability, and strong scalability

Active Publication Date: 2013-01-09
三六零数字安全科技集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] 2. Low efficiency of virus detection: For the detection efficiency of the antivirus engine, the main bottleneck is the input and output. If the input and output can be effectively controlled, the efficiency of virus detection will be greatly improved
But through the above process, we can see that ClamAV is not optimized for input and output

Method used

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  • Method and device for detecting and removing computer viruses
  • Method and device for detecting and removing computer viruses

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Embodiment Construction

[0084] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0085] figure 1 is a flowchart of a method for detecting and removing computer viruses according to an embodiment of the present invention. Such as figure 1 As shown, in the method 100 for detecting and removing computer viruses, at the beginning, step S101 is performed: using a scripting language to write a script for detecting and removing computer viruses and compiling the script into a binary virus database file.

[0086] Acc...

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Abstract

The invention discloses a method and a device for detecting and removing computer viruses. The method comprises the following steps of: writing a script for detecting and removing the computer viruses through a script language, and compiling the script into a binary virus base file; detecting the computer viruses, namely performing positioning processing based on file excursion, memory image excursion and / or an implantable execution file structure on a file to be detected according to a plurality of virus records in the virus base file; performing calculation processing and / or logic control processing by taking a positioning result as a variable; performing matching processing on a calculation processing and / or logic control processing result according to a plurality of virus records in the virus base file, wherein matching processing comprises binary matching processing and / or opcode matching processing; and removing the viruses from one or more matched files to be detected in the virus records.

Description

technical field [0001] The invention relates to computer security, in particular to a method and device for detecting and removing computer viruses. Background technique [0002] Virus sample identification using feature code scanning is the earliest virus detection and killing technology used by computer anti-virus. Computer anti-virus technology has been developed for decades, although virus detection and killing technologies such as behavioral detection and killing have appeared again, signature scanning is still the main technology adopted by mainstream computer anti-virus software for virus identification due to its accuracy and stability. It is the basic technology in the current anti-virus technology. [0003] Signature code scanning refers to the method of scanning and judging unknown samples by using the virus features extracted in advance. Feature extraction is the binary or other feature extracted from the virus sample after it is identified as a virus by manual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/56
Inventor 周辉徐传宇李智鹏唐杰
Owner 三六零数字安全科技集团有限公司
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