In this paper (Backdoor.Win32.UltimateDefender.gtz - Reversing) we analyze install.exe that presents the typical structure of an Medium Evoluted Malware, with basical Obfuscated-Dummy Code, some layer of Encryption decoded at Runtime and Custom Hash Functions used as Integrity Check. We can also see an intersting technique that retrieves API's Addresses OnDemand through a series of hardcoded values that corresponds to some API, the correspondent API Address is computated at runtime and chosen in function of the Hardcoded Value.
ToolsCount
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Spy DLL Remover62091
Stream Armor8761
Elfstat1699
KsiD1140
dwtf1046
SHC872
NOTE: Our tools are listed in many sites and torrents, which makes it hard for us to track all downloads. Hence, we are listing only the total installations from our website.