Troj/FakeVir-PU communicates via HTTP with the following locations:
91 . 212 . 127 . 226
When Troj/FakeVir-PU is installed it copies itself to
<Program Files>\<six random letters>\<four random letters>sysguard.exe
The following registry entries are created to run swsysysguard.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
<eight random letters>
<Program Files>\<six random letters>\<four random letters>sysguard.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
<eight random letters>
<Program Files>\<six random letters>\<four random letters>sysguard.exe
Registry entries are set as follows:
HKCU\Software\Microsoft\Internet Explorer\Download
CheckExeSignatures
no
HKCU\Software\Microsoft\Internet Explorer\Download
RunInvalidSignatures
0x00000001
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Associations
LowRiskFileTypes
.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments
SaveZoneInformation
0x00000001
Registry entries are created under:
HKLM\SOFTWARE\AvScan
The following registry entry is deleted:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
AppInit_DLLs
Troj/FakeVir-PU alters the local hosts file to redirect internet traffic.
Troj/FakeVir-PU drops <System>\iehelper.dll which is detected as Troj/FakeSp-Gen.