Trojan.Win32.Agentb.abre (Kaspersky), Trojan.Win32.Generic!BT (VIPRE), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, TrojanPSWZbot.YR, BackdoorCaphaw_QKKBAL.YR, Sinowal.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: def65ee645857ea1212d659d4e79a753
SHA1: 20b70d18452c2467999c017dc8b3118dc0f76755
SHA256: 39bf80c8f31c3121d1a49cd6aabd4157587175d2c9700eaf1b6584f5d0d9b020
SSDeep: 24576:/bCj2sObHtqQ4QixojBBJOM23dNYwLScOsBRw4Sj:/bCjPKNqQicfnczTLSEW4g
Size: 1296353 bytes
File type: PE32
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2010-01-15 18:09:54
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):
flash.exe:568
flash.exe:840
evyl.exe:1336
evyl.exe:212
tasklist.exe:1468
def65ee645857ea1212d659d4e79a753.exe:560
def65ee645857ea1212d659d4e79a753.exe:508
net.exe:1288
rundll32.exe:560
File activity
The process flash.exe:840 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):
%System%\OpjiwqeLmalb.dll (13 bytes)
The process def65ee645857ea1212d659d4e79a753.exe:560 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\Artoa\evyl.exe (7386 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp7dd766d6.bat (177 bytes)
Registry activity
The process flash.exe:568 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" = "8E 7C 14 FE F7 08 8F AD 48 CA AA 41 8C 89 8B 84"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Ihtosi]
"Oxloopb" = "48 AE 78 62 21 61 66 15 C3 AA EF 7E 34 ED 14 EF"
The process flash.exe:840 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" = "94 4B 1E 26 2F 0C F9 DD B0 8E B4 29 10 61 12 1A"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKLM\System\CurrentControlSet\Control\SecurityProviders]
"SecurityProviders" = "msapsspc.dll, schannel.dll, digest.dll, msnsspc.dll, OpjiwqeLmalb.dll"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
The Trojan-PSW modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
The Trojan-PSW modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"
The Trojan-PSW modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"
The process evyl.exe:1336 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" = "3E 45 F4 EB D6 45 C1 22 B1 71 46 F4 03 93 D7 D2"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
The process evyl.exe:212 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" = "46 B2 1D A3 B1 06 8E 3F BF DF C8 09 A0 32 9E E9"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process tasklist.exe:1468 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" = "59 56 39 4F D7 7F 82 BF 7E 6B 68 A8 38 7F 71 7A"
[HKCU\Software\Microsoft\Ihtosi]
"Oxloopb" = "48 AE 78 62 21 61 66 15 C3 AA EF 7E 34 ED 14 EF"
The process def65ee645857ea1212d659d4e79a753.exe:560 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" = "9E 37 96 47 76 64 C3 A7 DC 3D 12 42 48 8D CA 2E"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process def65ee645857ea1212d659d4e79a753.exe:508 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" = "F7 74 AE F9 68 46 A3 36 AD BA D2 32 EE F2 E5 B6"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
The process net.exe:1288 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" = "20 7F 4C A9 02 CC 73 AC B4 72 C9 7F E4 65 B7 BA"
[HKCU\Software\Microsoft\Ihtosi]
"Oxloopb" = "48 AE 78 62 21 61 66 15 C3 AA EF 7E 34 ED 14 EF"
The process rundll32.exe:560 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" = "3C 84 96 2F 5C F3 EF 88 29 7D 2A D6 8F D1 8D EF"
Network activity (URLs)
URL | IP |
---|---|
hxxp://www.google.com/webhp | 173.194.43.20 |
hxxp://www.google.ca/webhp?gws_rd=cr | 173.194.43.31 |
hxxp://vlkswgn.com/wp-content/plugins/hotfix/redir.php | 46.45.139.170 |
hxxp://198.50.175.136/flash.exe (Malicious) | |
mta5.am0.yahoodns.net | 66.196.118.240 |
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WINMM.dll:
PlaySoundW
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpEndRequestW
HttpEndRequestA
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetSetFilePointer
InternetQueryDataAvailable
HttpOpenRequestW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
HttpOpenRequestA
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 ADVAPI32.dll:
CreateProcessAsUserA
CreateProcessAsUserW
The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:
WSASend
gethostbyname
send
closesocket
getaddrinfo
The Trojan-PSW installs the following user-mode hooks in kernel32.dll:
ExitProcess
GetFileAttributesExW
The Trojan-PSW installs the following user-mode hooks in ntdll.dll:
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):
flash.exe:568
flash.exe:840
evyl.exe:1336
evyl.exe:212
tasklist.exe:1468
def65ee645857ea1212d659d4e79a753.exe:560
def65ee645857ea1212d659d4e79a753.exe:508
net.exe:1288
rundll32.exe:560 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%System%\OpjiwqeLmalb.dll (13 bytes)
%Documents and Settings%\%current user%\Application Data\Artoa\evyl.exe (7386 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp7dd766d6.bat (177 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.