Trojan.Win32.Swrort.3_31556b1bf6

by malwarelabrobot on January 29th, 2014 in Malware Descriptions.

Gen:Variant.Zusy.77887 (BitDefender), Trojan.Win32.Neurevt.zv (Kaspersky), Trojan.Win32.Generic!BT (VIPRE), Trojan.PWS.Siggen1.8719 (DrWeb), Gen:Variant.Zusy.77887 (B) (Emsisoft), RDN/Generic.grp!gs (McAfee), WS.Reputation.1 (Symantec), Trojan.Win32.Neurevt (Ikarus), Gen:Variant.Zusy.77887 (FSecure), Crypt2.CGWC (AVG), TROJ_GEN.R0CBC0UAG14 (TrendMicro), Trojan.Win32.Swrort.3.FD, Sinowal.YR (Lavasoft MAS)
Behaviour: Trojan


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: 31556b1bf65dbe178c5662bd1193bae5
SHA1: 08df6292fe9ecfed8775d6599c6138d6c8f1c0e6
SHA256: 785d06298dbbb5dad87cec853bd336dd9822bdae3aa9495205a175f21a3980da
SSDeep: 6144:sWl/WaYAvoTlF1O14 8IVpf2pTt66yYQtt4x/uNa:V/LXvoVOrbdm9
Size: 253952 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-12-27 23:45:49
Analyzed on: WindowsXP SP3 32-bit


Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:1848

The Trojan injects its code into the following process(es):
No processes have been created.

File activity

The process %original file name%.exe:1848 makes changes in the file system.
The Trojan deletes the following file(s):

%Program Files%\Common Files\Usertray0\0009400a.txt (0 bytes)

Registry activity

The process %original file name%.exe:1848 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "09 B2 B3 16 D9 43 14 32 4F 31 C1 47 03 AF 02 52"

[HKCU\Software\Classes\CLSID\{FC28BA09-BA9B-444D-AE7F-98A983B69094}\2042049C\CG1]
"HAL" = "05 EE 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"

[HKCU\Software\Win7zip]
"Uuid" = "FC 28 BA 09 BA 9B 44 4D AE 7F 98 A9 83 B6 90 94"

[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]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bfvjkphyr.exe]
"DisableExceptionChainValidation" = ""

[HKCU\Software\Classes\CLSID\{FC28BA09-BA9B-444D-AE7F-98A983B69094}\2042049C\CG1]
"BID" = "20 00 08 00 1B 00 01 00 DE 07 00 00 14 00 88 FF"

Network activity (URLs)

URL IP
hxxp://206.72.201.132/panel/order.php
microsoft.com 65.55.58.201


HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following user-mode hooks in dnsapi.dll:

DnsQuery_W

The Trojan installs the following user-mode hooks in WS2_32.dll:

gethostbyname
getaddrinfo
GetAddrInfoW

The Trojan installs the following user-mode hooks in ntdll.dll:

KiFastSystemCall

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. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:1848

  3. Delete the original Trojan file.
  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.

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