Virus Prevalence - April 2013

Virus NamePrevalencePercentage
Heuristic/generic7.90%
Adware-misc7.55%
Autorun6.06%
BHO/Toolbar-misc5.87%
Heuristic/generic3.68%
Agent3.43%
Dorkbot3.38%
Injector2.64%
Sality2.59%
Iframe-Exploit2.57%
Wintrim2.39%
Crypt/Kryptik2.38%
Conficker/Downadup2.33%
Potentially Unwanted-misc2.32%
OneScan2.16%
Dropper-misc1.99%
Phishing-misc1.70%
Jeefo1.65%
Bundpil1.55%
FakeAV-Misc1.53%
bProtector1.40%
Sirefef1.33%
Encrypted/Obfuscated1.21%
Virut1.20%
Crack/Keygen1.10%
Java-Exploit0.99%
Downloader-misc0.94%
Zbot0.90%
Meredrop0.87%
Gamarue0.87%
Hamweq/Ircbrute0.85%
Blacole0.85%
Bumat0.84%
Freeware-downloader0.82%
Ramnit0.78%
Taterf0.76%
Somoto0.75%
Mabezat0.73%
JS-Redir/Alescurf0.67%
Yontoo0.65%
AutoIt0.65%
Rimecud0.65%
VB0.63%
Backdoor-misc0.63%
Exploit-misc0.56%
LNK-Exploit0.56%
Tanatos0.55%
Banload0.55%
Reveton0.49%
Qhost0.49%
Brontok/Rontokbro0.49%
FlyStudio0.47%
Silly0.47%
Yeltminky0.42%
FakeAlert/Renos0.40%
HackTool0.40%
Cutwail/Pandex/Pushdo0.37%
Delf0.37%
Tobfy0.35%
Urausy0.33%
Snifula/Ursnif0.30%
Rebhip0.30%
PSW-misc0.30%
Nuqel0.29%
Tracur/Xulcache0.29%
Sohanad0.27%
RogueSoftware-misc0.27%
PDF-Exploit0.26%
Navipromo/Skintrim0.25%
Kuluoz0.24%
Wimad0.21%
OnlineGames0.21%
WinWebSec0.20%
Small0.19%
Fareit0.18%
Slugin0.17%
Feebs0.15%
Android-misc0.14%
Nsanti0.14%
Suspect packers0.13%
Chir0.13%
OpenCandy0.10%
Themida0.09%
ALS/Bursted0.09%
Hosts file0.09%
Pronny0.09%
Hoax0.09%
Android-adware0.08%
Alman0.08%
Vobfus0.08%
Citem/Lyder0.07%
Mdrop0.06%
Parite0.06%
PEPatch0.06%
Java-Classloader0.06%
LDPinch0.05%
KillAV0.05%
Lineage/Magania0.05%
RemoteAdmin0.05%
Hupigon0.04%

Background

The Virus Bulletin prevalence table is compiled monthly from virus reports received by Virus Bulletin; both directly, and from other companies who pass on their statistics.

Reports are included only if they are confirmed, and hence, in conjunction with the WildList, the prevalence table provides a useful indication of the relative prevalence of various virus found in the wild at the time.

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