HEUR:Trojan.Win32.Generic (Kaspersky), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-PSW, Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 72674b5b1406cb8d36b652f0fe2b76b1
SHA1: 38c34197c0b4d40ba6e0fcdb98e88998aaaa5bd2
SHA256: f52cd6ba1a249b447f0fa90610b83b08b8ddf0a8f4a9f5da449876058b86fb5f
SSDeep: 24576:iXbe47XNg/ZL3WFIFi5BAxbiimickpWGXYzhZC37EUALUCzPJ:iXq4z2BzgGi5BDcwZC374QaR
Size: 1318131 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: AirInstaller
Created at: 2013-10-05 19:32:13
Summary: Trojan-PSW. Trojan program intended for stealing users passwords.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan-PSW creates the following process(es):
geytu.exe:2936
geytu.exe:2988
AcroRd32.exe:3036
72674b5b1406cb8d36b652f0fe2b76b1.exe:2760
72674b5b1406cb8d36b652f0fe2b76b1.exe:2768
The Trojan-PSW injects its code into the following process(es):
AcroRd32.exe:1908
ctfmon.exe:252
File activity
The process geytu.exe:2936 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\Form.pdf (1372 bytes)
The process geytu.exe:2988 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):
C:\debug.txt (24328 bytes)
The process AcroRd32.exe:1908 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Adobe\Acrobat\9.0\SharedDataEvents-journal (4790 bytes)
%Documents and Settings%\%current user%\Application Data\Adobe\Acrobat\9.0\SharedDataEvents (54 bytes)
C:\debug.txt (6837 bytes)
The Trojan-PSW deletes the following file(s):
%Documents and Settings%\%current user%\Application Data\Adobe\Acrobat\9.0\SharedDataEvents-journal (0 bytes)
The process 72674b5b1406cb8d36b652f0fe2b76b1.exe:2760 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\Form.pdf (1372 bytes)
The process 72674b5b1406cb8d36b652f0fe2b76b1.exe:2768 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Ylsiwu\geytu.exe (7386 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp53e472bc.bat (177 bytes)
C:\debug.txt (5426 bytes)
The process ctfmon.exe:252 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):
C:\debug.txt (5800 bytes)
Registry activity
The process geytu.exe:2936 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B7 35 DB 93 CB 7D 59 01 89 50 2F BD B1 82 50 07"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The process geytu.exe:2988 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "30 06 09 A8 B8 D3 DE C8 E5 40 57 42 1A 13 32 D1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process AcroRd32.exe:3036 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "96 A5 A9 6C 5D 76 2B E1 66 52 2A 3E 95 91 89 57"
The process AcroRd32.exe:1908 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "73 94 3B 37 32 76 7D C2 CE BD 70 4A 4B 57 A2 89"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
[HKCU\Software\Microsoft\Ezhivi]
"Yropsasys" = "C0 37 B9 BF 89 F5 7A 81 61 39 FE 56 CC 8D B1 CB"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Adobe\Acrobat Reader\9.0\AVGeneral]
"bLastExitNormal" = "0"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
The Trojan-PSW deletes the following registry key(s):
[HKLM\SYSTEM\Acrobatviewercpp304]
[HKLM\SYSTEM\WSZXSGANXFJVAYSXYQGNXKQY]
The process 72674b5b1406cb8d36b652f0fe2b76b1.exe:2760 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F6 1C 86 B6 6D DF D6 EF D7 9E AA 78 3C 5B 5E 2C"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Program Files%\Adobe\Reader 9.0\Reader]
"AcroRd32.exe" = "Adobe Reader 9.3"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The process 72674b5b1406cb8d36b652f0fe2b76b1.exe:2768 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "29 1D 11 02 99 E5 10 18 A4 E7 80 5C ED 7D 4C 28"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process ctfmon.exe:252 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKCU\Software\Microsoft\Ezhivi]
"Yropsasys" = "C0 37 B9 BF 89 F5 7A 81 61 39 FE 56 CC 8D B1 CB"
The Trojan-PSW deletes the following value(s) in system registry:
The Trojan-PSW disables automatic startup of the application by deleting the following autorun value:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"
Network activity (URLs)
| URL | IP |
|---|---|
| hxxp://www.google.com/webhp | 74.125.226.144 |
| hxxp://www.google.ca/webhp?gws_rd=cr&ei=-LFYUtONMMmEqgGtjYCoCA | 173.194.43.95 |
| hxxp://91.149.157.144/plugins/content/upload/gate.php | |
| hxxp://e6845.ce.akamaiedge.net/crls/secureca.crl | |
| hxxp://e6845.ce.akamaiedge.net/crls/gtglobal.crl | |
| hxxp://www3.l.google.com/GIAG2.crl | |
| crl.geotrust.com | 23.60.133.163 |
| pki.google.com | 74.125.226.132 |
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpSendRequestExW
HttpSendRequestExA
InternetReadFileExA
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
InternetCloseHandle
HttpQueryInfoA
InternetReadFile
The Trojan-PSW installs the following user-mode hooks in CRYPT32.dll:
PFXImportCertStore
The Trojan-PSW installs the following user-mode hooks in USER32.dll:
SetCursorPos
DefMDIChildProcA
DefFrameProcA
DefDlgProcA
GetClipboardData
DefMDIChildProcW
DefFrameProcW
GetUpdateRgn
RegisterClassA
GetDCEx
ReleaseCapture
SetCapture
DefWindowProcA
CallWindowProcA
GetUpdateRect
PeekMessageA
CallWindowProcW
GetMessagePos
GetCursorPos
EndPaint
BeginPaint
DefWindowProcW
RegisterClassExA
GetMessageA
DefDlgProcW
SwitchDesktop
OpenInputDesktop
RegisterClassExW
RegisterClassW
GetCapture
PeekMessageW
GetMessageW
GetWindowDC
TranslateMessage
GetDC
ReleaseDC
The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:
WSASend
send
closesocket
The Trojan-PSW installs the following user-mode hooks in kernel32.dll:
GetFileAttributesExW
The Trojan-PSW installs the following user-mode hooks in ntdll.dll:
LdrLoadDll
NtCreateThread
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*
- Scan a system with an anti-rootkit tool.
- Terminate malicious process(es) (How to End a Process With the Task Manager):
geytu.exe:2936
geytu.exe:2988
AcroRd32.exe:3036
72674b5b1406cb8d36b652f0fe2b76b1.exe:2760
72674b5b1406cb8d36b652f0fe2b76b1.exe:2768 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Local Settings\Temp\Form.pdf (1372 bytes)
C:\debug.txt (24328 bytes)
%Documents and Settings%\%current user%\Application Data\Adobe\Acrobat\9.0\SharedDataEvents-journal (4790 bytes)
%Documents and Settings%\%current user%\Application Data\Ylsiwu\geytu.exe (7386 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp53e472bc.bat (177 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.