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ThreatExpert's awareness of the file "srosa.sys":

Across all ThreatExpert reports, the file "srosa.sys" was mostly identified as a threat.
File "srosa.sys" has the following statistics:
Total number of reports analysed611,932
Number of cases that involved the file "srosa.sys"56
Number of incidents when this file was found to be a threat55
Statistical volume of cases when "srosa.sys" was a threat98%
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Notes:
  • Please note that the name of the file should NOT be used to define if it is legitimate or not. Such determination can only be made by observing its dynamic behaviour.
  • In order to check a file, please submit it to ThreatExpert.
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The file "srosa.sys" is known to be created under the following filenames:
%System%\drivers\srosa.sys
%Temp%\srosa.sys
Notes:
  • %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
  • %Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

The following threats are known to be associated with the file "srosa.sys":
Threat AliasNumber of Incidents
Hacktool.Rootkit [Symantec]239
Trojan:WinNT/Bagle.gen [Microsoft]223
Mal/Generic-A [Sophos]177
Rootkit.Bagle.Gen.21 [PC Tools]170
Downloader.gen.a [McAfee]144
Trojan-Downloader.Win32.Bagle.vj [Kaspersky Lab]100
TROJ_BAGLE.QF [Trend Micro]81
Trojan-Dropper.Win32.MultiJoiner [Ikarus]78
Trojan-Downloader.Win32.Bagle.zf [Kaspersky Lab]72
Win32/NullSectDrv.Suspicious [AhnLab]51
Hacktool.Rootkit!sd6 [PC Tools]43
Mal/RootKit-Fam [Sophos]43
Generic.dx [McAfee]37
Trojan-Downloader.Win32.Bagle.mm [Kaspersky Lab]31
Trojan-Downloader.Win32.Bagle.iw [Kaspersky Lab]17
Generic Downloader.x [McAfee]15
Trojan-Dropper.Win32.MultiJoiner.13.a [Ikarus]10
Trojan-Downloader.Win32.Bagle.avs [Kaspersky Lab]9
Trojan-Downloader.Bagle!ct [PC Tools]8
Trojan-Downloader.Win32.Bagle.jg [Kaspersky Lab]4
Trojan-Downloader.Win32.Bagle.ke [Kaspersky Lab]4
Trojan-Downloader.Win32.Bagle.ys [Kaspersky Lab]4
Trojan Horse [Symantec]3
Email-Worm.Win32.Bagle.jn [Kaspersky Lab]2
Trojan:WinNT/Bagle.gen!B [Microsoft]2
Trojan-Downloader.Win32.Bagle [Ikarus]2
Trojan-Downloader.Win32.Bagle.aek [Kaspersky Lab]2
Trojan-Downloader.Win32.Bagle.jh [Kaspersky Lab]2
Win-Trojan/Bagle.100352 [AhnLab]2
Win-Trojan/Rootkit.91096 [AhnLab]2
Mal_MLWR-1 [Trend Micro]1
RTKT_AGENT.AJJJ [Trend Micro]1
Troj/RootKit-BY [Sophos]1
TROJ_BAGLE.TZ [Trend Micro]1
Trojan-Downloader.Win32.Bagle.afx [Kaspersky Lab]1
Trojan-Downloader.Win32.Bagle.hm [Kaspersky Lab]1
Trojan-Downloader.Win32.Bagle.iq [Kaspersky Lab]1
Trojan-Downloader.Win32.Bagle.jk [Kaspersky Lab]1
Trojan-Downloader.Win32.Bagle.jx [Kaspersky Lab]1
Trojan-Downloader.Win32.Bagle.ky [Kaspersky Lab]1
Trojan-Downloader.Win32.Bagle.yh [Kaspersky Lab]1