Fake-AV.Win32.FakeRean_11b8f2ca09

by malwarelabrobot on January 2nd, 2014 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.FakeRean.at (v) (VIPRE), Trojan.Win32.FakeAV!IK (Emsisoft), Fake-AV.Win32.FakeRean.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
Technical Details
Removal Recommendations

MD5: 11b8f2ca095eda71eb9219e265c2cf9c
SHA1: d350a95dfa6a49d0ee2245aea50d52a8d9402c5f
SHA256: 4fadee135dd342f67d435c216c8760df2bbc2226280f788ac791b810e888d5dc
SSDeep: 24576:fctrYwsd6TXK9OEMjFGVH8n8aGSIIkxUizaAzlz/fJ:fG3u9ugH8nXGkXizayl
Size: 869376 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-09-01 18:20:56
Analyzed on: WindowsXP SP3 32-bit


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.

Payload

No specific payload has been found.

Process activity

The Fake-AV creates the following process(es):

%original file name%.exe:228

The Fake-AV injects its code into the following process(es):

bsprotection.exe:2648
spoolsv.exe:1432

File activity

The process spoolsv.exe:1432 makes changes in the file system.
The Fake-AV creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\bsprotection (6723 bytes)
%Documents and Settings%\All Users\Desktop\Internet Security 2013.lnk (819 bytes)

The process %original file name%.exe:228 makes changes in the file system.
The Fake-AV creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (13682 bytes)

Registry activity

The process bsprotection.exe:2648 makes changes in the system registry.
The Fake-AV creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "27 C0 35 B4 CE 2E 78 71 60 4B 66 80 AD 65 FA 81"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

The process spoolsv.exe:1432 makes changes in the system registry.
The Fake-AV creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Start Menu" = ""

[HKLM\SOFTWARE\Microsoft\ESENT\Process\spoolsv\DEBUG]
"Trace Level" = ""

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = ""
"My Pictures" = ""

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"EventMessageFile" = "%System%\ESENT.dll"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"DefaultConnectionSettings" = "46 00 00 00 01 00 00 00 01 00 00 00 00 00 00 00"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\LocalService\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Start Menu" = "%Documents and Settings%\All Users\Start Menu"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"CategoryCount" = "16"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\A]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 01 00 00 00 09 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = ""

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonMusic" = "%Documents and Settings%\All Users\Documents\My Music"
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"ControlFlags" = "1"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\D]
"BaseClass" = "Drive"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\F]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
"CommonVideo" = "%Documents and Settings%\All Users\Documents\My Videos"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\LocalService\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"TypesSupported" = "7"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonPictures" = "%Documents and Settings%\All Users\Documents\My Pictures"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"Guid" = "8aefce96-4618-42ff-a057-3536aa78233e"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"CategoryMessageFile" = "%System%\ESENT.dll"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\LocalService\Cookies"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\C]
"BaseClass" = "Drive"

[HKLM\System\CurrentControlSet\Control\Print\Providers]
"Order" = "LanMan Print Services, Internet Print Provider, 69882"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"LogSessionName" = "stdout"
"ControlFlags" = "1"

[HKU\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
"ParseAutoexec" = "1"

[HKLM\System\CurrentControlSet\Control\Print\Providers\69882]
"Name" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\1.tmp"

Proxy settings are disabled:

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Fake-AV deletes the following registry key(s):

[HKLM\System\CurrentControlSet\Control\Print\Providers\69882]

The Fake-AV deletes the following value(s) in system registry:

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyOverride"

[HKLM\SOFTWARE\Microsoft\ESENT\Process\spoolsv\DEBUG]
"Trace Level"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"

The process %original file name%.exe:228 makes changes in the system registry.
The Fake-AV creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C7 3D 03 F9 EE 0E BC FA 27 BA 30 F8 6C 27 C2 F2"

[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\2.tmp,"

Network activity (URLs)

URL IP
hxxp://twinkcam.net/images/s.php?id=92.1 74.86.20.50
hxxp://cinnamyn.com/images/s.php?id=92.1 216.17.105.36


HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:228

  2. Delete the original Fake-AV file.
  3. Delete or disinfect the following files created/modified by the Fake-AV:

    %Documents and Settings%\All Users\Application Data\bsprotection (6723 bytes)
    %Documents and Settings%\All Users\Desktop\Internet Security 2013.lnk (819 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (13682 bytes)

  4. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  5. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.