About “Symmi.29389” infection

The Symmi.29389 is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Symmi.29389 virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• At least one process apparently crashed during execution
• Sample contains Overlay data
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Checks adapter addresses which can be used to detect virtual network interfaces
• Dynamic (imported) function loading detected
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Arabic (Yemen)
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Code injection with CreateRemoteThread in a remote process
• Attempts to modify desktop wallpaper
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Attempts to modify proxy settings
• CAPE detected injection into a browser process, likely for Man-In-Browser (MITB) infostealing
• Creates a copy of itself
• Harvests cookies for information gathering
• Uses suspicious command line tools or Windows utilities

How to determine Symmi.29389?

File Info:
name: 3073786ADEDB5C9AE8F5.mlw
path: /opt/CAPEv2/storage/binaries/007cec4c564104a80d8eefb9e16f659cafc30292f36492d324561da140398400
crc32: 217E8CF2
md5: 3073786adedb5c9ae8f53026b5fd0ed2
sha1: 3a66a1c72eda2e6866ad671b2413c33d38d66a13
sha256: 007cec4c564104a80d8eefb9e16f659cafc30292f36492d324561da140398400
sha512: c685fd8039e11504e83e1bf2fd791e19ac1049ef507422a8be4c2fd5f46a0651eb7ec9aa3d9579c1230913c054cb2a86dd58656d7e97e083140dced561eb7058
ssdeep: 1536:ho3XByo2cPR3uUTPKWqm0V+d0EioxR6kEq+MNXA5Qut7+nyKX8fkdEZ+BfSGi9SZ:sJ2UKWqtVa8o1Eq+Y85tiy1CEZlPS+m
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CF042703FB5982A3D02F1A3404B84B59E73594393B6A478F5568BB7DEDA03C26F1638D
sha3_384: 151e2578de0513d54e673519c872951b02a7bb7e525fc6bb92f9047bd9cef03636b16ca06790660395798d309021f5d0
ep_bytes: e8301a0000e989feffff8bff558bec81
timestamp: 2013-07-13 09:29:09

Version Info:
Translation: 0x0409 0x04b0
CompanyName: Don HO don.h@free.fr
FileDescription: Notepad++ : a free (GNU) source code editor
FileVersion: 6.13
InternalName: npp.exe
LegalCopyright: Copyleft 1998-2006 by Don HO
OriginalFilename: Notepad++.exe
ProductName: Notepad++
ProductVersion: 6.13

Symmi.29389 also known as:

How to remove Symmi.29389?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.