What is “UDS:Backdoor.Win32.Zegost”?

The UDS:Backdoor.Win32.Zegost 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 UDS:Backdoor.Win32.Zegost virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Creates RWX memory
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• Drops a binary and executes it
• Unconventionial language used in binary resources: Russian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Created a process from a suspicious location
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine UDS:Backdoor.Win32.Zegost?

File Info:
name: C04A7238058FE9336246.mlw
path: /opt/CAPEv2/storage/binaries/881bfc8e700195909300d8650be6dca5fdb8712befbb73a0b034b849cc0469be
crc32: 8908B5A0
md5: c04a7238058fe9336246fef9954dce9d
sha1: 96e822f67b4d55b7f52e7a3d24af73366e91e411
sha256: 881bfc8e700195909300d8650be6dca5fdb8712befbb73a0b034b849cc0469be
sha512: ba8a2610d45bd8bb23bd981adc4ce344a7ff13c6d2821441c02de22c4880615fa65d53c3c1e42620113d2df21cee80fe44b6285fd095459531895a070a4b7d00
ssdeep: 98304:bFF7EcR6g9HFP4HsbGu6vBK3QaI08GT5VndeU4a7oJHR4g3rPuredIZCfEKYwOEb:zEWBH+MKu6pKbDdDSig3rPurxC8KYw5T
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BF56334330D4B075DA62A335416687B710CEF67967694DCFBFC26E68B9724FAE210382
sha3_384: 2073e328e68afb9ae81c6d3328081b81d5bc16342471b7c9476afecfabe6215fae804131e1e70f212e5680d129a27969
ep_bytes: e885630000e978feffff8bff558bec56
timestamp: 2015-02-15 08:00:31

Version Info:
0: [No Data]

UDS:Backdoor.Win32.Zegost also known as:

How to remove UDS:Backdoor.Win32.Zegost?

• 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.