SplitScreen: Enabling Efficient, Distributed Malware Detection

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We present the design and implementation of a novel anti-malware system called Split Screen. Split Screen performs an additional screening step prior to the signature matching phase found in existing approaches. The screening step filters out most non-infected files (90%) and also identifies malware signatures that are not of interest (99%). The screening step significantly improves end-to-end performance because safe files are quickly identified and are not processed further, and malware files can ssequently be scanned using only the signatures that are necessary. Our approach naturally leads to a network-based anti-malware solution in which clients only receive signatures they needed, not every malware signature ever created as with current approaches. We have implemented Split Screen as an extension to ClamAV, the most popular open source anti-malware software. For the current number of signatures, our implementation is 2 x faster and requires 2 x less memory than the original ClamAV. These gaps widen as the number of signatures grows.
Publisher
KOREAN INST COMMUNICATIONS SCIENCES (K I C S)
Issue Date
2011-04
Language
English
Article Type
Article
Citation

JOURNAL OF COMMUNICATIONS AND NETWORKS, v.13, no.2, pp.187 - 200

ISSN
1229-2370
URI
http://hdl.handle.net/10203/203771
Appears in Collection
CS-Journal Papers(저널논문)
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