HEUR:Trojan.Win32.Generic (Kaspersky), FraudTool.Win32.FakeRean.mco (v) (VIPRE), Virus.Win32.CeeInject!IK (Emsisoft), Fake-AV.Win32.FakeRean.2.FD, FakeAVWin32FakeRean.YR (Lavasoft MAS)Behaviour: Trojan, Virus, Fake-AV
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: f67998b83cd83b52fd884f148e3a64af
SHA1: 1a5bd4369bb08a9b09f5f00a55913ac830d55037
SHA256: ef906b339d7f10b98fa98c82b06099ad0b66db7e4fe7abd8c4b6061687f062a8
SSDeep: 6144:L7K2lzLE7F76cdHmUpShmke 2/hRvQxswQ35VSvxP:fD 7J6UGUpSFen/vvnweS
Size: 210611 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: Armadillov171, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6
Company: no certificate found
Created at: 2011-05-19 23:41:02
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):
f67998b83cd83b52fd884f148e3a64af.exe:372
uus.exe:2756
The Fake-AV injects its code into the following process(es):
uus.exe:1712
File activity
The process f67998b83cd83b52fd884f148e3a64af.exe:372 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\uus.exe (210 bytes)
The process uus.exe:1712 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\r5fp5qa1dq11k1vo443eoj13h1g (262 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\r5fp5qa1dq11k1vo443eoj13h1g (262 bytes)
%Documents and Settings%\All Users\Application Data\r5fp5qa1dq11k1vo443eoj13h1g (262 bytes)
%Documents and Settings%\%current user%\Templates\r5fp5qa1dq11k1vo443eoj13h1g (262 bytes)
The Fake-AV deletes the following file(s):
C:\f67998b83cd83b52fd884f148e3a64af.exe (0 bytes)
Registry activity
The process f67998b83cd83b52fd884f148e3a64af.exe:372 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" = "0C 3C 72 BD D5 ED 49 F7 97 99 53 2B 42 D5 39 F4"
[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"
The process uus.exe:2756 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" = "89 51 86 58 E6 EA 46 E1 B1 3D 06 38 CD DD 82 6E"
The process uus.exe:1712 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\uus.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\uus.exe -a %Program Files%\Internet Explorer\iexplore.exe"
[HKCU\Software\Classes\exefile\DefaultIcon]
"(Default)" = "%1"
[HKCU\Software\Microsoft\Windows]
"Identity" = "1829513256"
[HKCU\Software\Classes\.exe\shell\open\command]
"(Default)" = "%Documents and Settings%\%current user%\Local Settings\Application Data\uus.exe -a %1 %*"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E3 61 C3 0E A3 5C B6 FB AC E7 C3 DC 21 6C 42 45"
[HKCU\Software\Classes\.exe\DefaultIcon]
"(Default)" = "%1"
[HKCU\Software\Clients\StartMenuInternet]
"(Default)" = "IEXPLORE.EXE"
[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"
Network activity (URLs)
URL | IP |
---|---|
hxxp://nabubymepicizu.com/1027000113 | 208.73.211.249 |
turezidejuzok.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):
f67998b83cd83b52fd884f148e3a64af.exe:372
uus.exe:2756 - Delete the original Fake-AV file.
- Delete or disinfect the following files created/modified by the Fake-AV:
%Documents and Settings%\%current user%\Local Settings\Application Data\uus.exe (210 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\r5fp5qa1dq11k1vo443eoj13h1g (262 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\r5fp5qa1dq11k1vo443eoj13h1g (262 bytes)
%Documents and Settings%\All Users\Application Data\r5fp5qa1dq11k1vo443eoj13h1g (262 bytes)
%Documents and Settings%\%current user%\Templates\r5fp5qa1dq11k1vo443eoj13h1g (262 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.