TSPY_FAREIT.YYSJE
Trojan:Win32/Ramnit (Microsoft); RDN/Generic.cf!a (McAfee); W32.Ramnit (Symantec); Trojan-PSW.Win32.Fareit.ayjg (Kaspersky); Mal/MSIL-OM (Sophos); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse MSIL8.LJI (AVG)
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
445,952 bytes
EXE
No
03 Jun 2015
Arrival Details
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This spyware deletes the following files:
- {malware path and file name}:zone.identifier
It adds the following registry keys:
HKEY_CURRENT_USER\Software\WinRAR
It adds the following registry entries:
HKEY_CURRENT_USER\Software\WinRAR
HWID = "{random values}"
HKEY_CURRENT_USER\Software\WinRAR
Client Hash = "{random values}"
Dropping Routine
This spyware drops the following files:
- %Windows%\Microsoft.NET\Framework\v2.0.50727\vbcmgr.exe
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
Other Details
This spyware connects to the following possibly malicious URL:
- {BLOCKED}0.16.140
- {BLOCKED}.210.155
- {BLOCKED}8.42.36
- {BLOCKED}.197.203
- {BLOCKED}252.44
- {BLOCKED}243.216
- {BLOCKED}133.218
- {BLOCKED}108.11
- {BLOCKED}6.81.24
- {BLOCKED}187.107
This report is generated via an automated analysis system.
SOLUTION
9.750
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software
- WinRAR
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\WinRAR
- HWID = "{random values}"
- In HKEY_CURRENT_USER\Software\WinRAR
- Client Hash = "{random values}"
Step 4
Search and delete this file
- %Windows%\Microsoft.NET\Framework\v2.0.50727\vbcmgr.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as TSPY_FAREIT.YYSJE. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 6
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- {malware path and file name}:zone.identifier
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