HEUR:Trojan.Win32.Generic (Kaspersky), FraudTool.Win32.FakeRean.mco (v) (VIPRE), Trojan.Fakeav!IK (Emsisoft), Fake-AV.Win32.FakeRean.2.FD, FakeAVWin32FakeRean.YR (Lavasoft MAS)Behaviour: Trojan, Fake-AV
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 118b4678fd570914d12c4c6d2da77ae7
SHA1: db165819787f47d220e4e324794eb0a009a9ed84
SHA256: 509cc87aac55449dafe5378193e09e7729332e26c5163ac4e25561a7d8757099
SSDeep: 6144:p/2uSFXNkCQbj4bW5V3RV84 STSHgvpGUxqkGsYgbUOorP:pNRvkbMV3RV84/Ta6rSsYgbUZz
Size: 226410 bytes
File type: PE32
Platform: WIN32
Entropy: Packed
PEID: Armadillov171, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6
Company: no certificate found
Created at: 2011-05-13 22:44:57
Summary: Fake-AV. FakeAV programs generate exaggerated threat reports on the compromised computer then ask the user to purchase a registered version to remove those reported threats.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Fake-AV creates the following process(es):
nkh.exe:1772
118b4678fd570914d12c4c6d2da77ae7.exe:692
The Fake-AV injects its code into the following process(es):
nkh.exe:1484
File activity
The process nkh.exe:1484 makes changes in a file system.
The Fake-AV creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Templates\7u6goy71bol4502j1soumxa6 (355 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\7u6goy71bol4502j1soumxa6 (355 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\7u6goy71bol4502j1soumxa6 (355 bytes)
%Documents and Settings%\All Users\Application Data\7u6goy71bol4502j1soumxa6 (355 bytes)
The Fake-AV deletes the following file(s):
C:\118b4678fd570914d12c4c6d2da77ae7.exe (0 bytes)
The process 118b4678fd570914d12c4c6d2da77ae7.exe:692 makes changes in a file system.
The Fake-AV creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Application Data\nkh.exe (226 bytes)
Registry activity
The process nkh.exe:1484 makes changes in a system registry.
The Fake-AV creates and/or sets the following values in system registry:
[HKCU\Software\Classes\exefile\shell\open\command]
"(Default)" = "%Documents and Settings%\%current user%\Local Settings\Application Data\nkh.exe -a %1 %*"
[HKCU\Software\Classes\exefile\shell\runas\command]
"IsolatedCommand" = "%1 %*"
[HKCU\Software\Classes\exefile]
"(Default)" = "Application"
[HKCU\Software\Classes\.exe\shell\runas\command]
"IsolatedCommand" = "%1 %*"
[HKLM\SOFTWARE\Clients\StartMenuInternet]
"(Default)" = "IEXPLORE.EXE"
[HKCU\Software\Classes\exefile\shell\open\command]
"IsolatedCommand" = "%1 %*"
[HKCU\Software\Classes\.exe\shell\runas\command]
"(Default)" = "%1 %*"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Templates" = "%Documents and Settings%\%current user%\Templates"
[HKCU\Software\Classes\exefile\shell\runas\command]
"(Default)" = "%1 %*"
[HKCU\Software\Classes\exefile]
"Content Type" = "application/x-msdownload"
[HKCU\Software\Classes\.exe\shell\open\command]
"IsolatedCommand" = "%1 %*"
[HKCU\Software\Classes\.exe]
"(Default)" = "exefile"
[HKLM\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command]
"(Default)" = "%Documents and Settings%\%current user%\Local Settings\Application Data\nkh.exe -a %Program Files%\Internet Explorer\iexplore.exe"
[HKCU\Software\Classes\exefile\DefaultIcon]
"(Default)" = "%1"
[HKCU\Software\Microsoft\Windows]
"Identity" = "1785233727"
[HKCU\Software\Classes\.exe\shell\open\command]
"(Default)" = "%Documents and Settings%\%current user%\Local Settings\Application Data\nkh.exe -a %1 %*"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B2 D7 D4 71 B9 A5 1C FA CF 01 11 67 4B 2D D5 F6"
[HKCU\Software\Classes\.exe\DefaultIcon]
"(Default)" = "%1"
[HKCU\Software\Classes\.exe]
"Content Type" = "application/x-msdownload"
To automatically run itself each time Windows is booted, the Fake-AV adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"ctfmon.exe" = "%System%\ctfmon.exe"
The process 118b4678fd570914d12c4c6d2da77ae7.exe:692 makes changes in a system registry.
The Fake-AV creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "01 DE 92 07 A4 48 59 A8 63 36 77 D0 0E D9 12 9B"
[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusOverride" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile]
"DisableNotifications" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Templates" = "%Documents and Settings%\%current user%\Templates"
[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center]
"UpdatesDisableNotify" = "1"
[HKLM\SOFTWARE\Microsoft\Security Center]
"FirewallOverride" = "1"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile]
"EnableFirewall" = "0"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile]
"DoNotAllowExceptions" = "0"
Antivirus notifications are disabled:
[HKLM\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify" = "1"
A firewall is disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall" = "0"
The following service is disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess]
"Start" = "4"
Firewall notifications are disabled:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DisableNotifications" = "1"
Network activity (URLs)
URL | IP |
---|---|
hxxp://mutidajil.com/1015003913 | 208.73.211.193 |
vihuhosyde.com | Unresolvable |
vujetejuvax.com | Unresolvable |
qybolysusefim.com | Unresolvable |
sewicyzinuhe.com | Unresolvable |
lofocigeced.com | Unresolvable |
sonewenazo.com | Unresolvable |
wytasosivude.com | Unresolvable |
fehosoxukyk.com | Unresolvable |
huxeqatikicare.com | Unresolvable |
bipojizikagec.com | Unresolvable |
mixolyzegito.com | Unresolvable |
holytewuzejuk.com | Unresolvable |
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
nkh.exe:1772
118b4678fd570914d12c4c6d2da77ae7.exe:692 - Delete the original Fake-AV file.
- Delete or disinfect the following files created/modified by the Fake-AV:
%Documents and Settings%\%current user%\Templates\7u6goy71bol4502j1soumxa6 (355 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\7u6goy71bol4502j1soumxa6 (355 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\7u6goy71bol4502j1soumxa6 (355 bytes)
%Documents and Settings%\All Users\Application Data\7u6goy71bol4502j1soumxa6 (355 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\nkh.exe (226 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"ctfmon.exe" = "%System%\ctfmon.exe" - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.