Rootkit Revealer 1.71

License / Price: Freeware
Version: 1.71
Language: Multiple languages
File size: 226KB (231,390 bytes)
Developer: Microsoft SysInternals www.microsoft.com/technet/sysinternals
OS: Windows 2000 / XP / Vista / Windows7 / Windows8
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Description

RootkitRevealer is an advanced rootkit detection utility. It runs on Windows NT 4 and higher and its output lists Registry and file system API discrepancies that may indicate the presence of a user-mode or kernel-mode rootkit.

RootkitRevealer successfully detects many persistent rootkits including AFX, Vanquish and HackerDefender (note: RootkitRevealer is not intended to detect rootkits like Fu that don’t attempt to hide their files or registry keys).

Since persistent rootkits work by changing API results so that a system view using APIs differs from the actual view in storage, RootkitRevealer compares the results of a system scan at the highest level with that at the lowest level. The highest level is the Windows API and the lowest level is the raw contents of a file system volume or Registry hive (a hive file is the Registry’s on-disk storage format).

Thus, rootkits, whether user mode or kernel mode, that manipulate the Windows API or native API to remove their presence from a directory listing, for example, will be seen by RootkitRevealer as a discrepancy between the information returned by the Windows API and that seen in the raw scan of a FAT or NTFS volume’s file system structures.

Homepage: www.microsoft.com/technet/sysinternals/Security/RootkitRevealer.mspx

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