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update_task.exe

Update Task

UCWeb Inc

The executable update_task.exe, “UCBrowser update task” has been detected as malware by 6 anti-virus scanners.
Publisher:
UCWeb Inc

Product:
Update Task

Description:
UCBrowser update task

Version:
1.0.0.8

MD5:
b3460c3056527b8f293397fc75b55df3

SHA-1:
f407aa5491b80fbe95f643b2657263f9aae55fd9

SHA-256:
255b1e05c4d72f05e4bc7558abe0a27daa4978d88070b74d8c4311c4529f00ef

Scanner detections:
6 / 68

Status:
Malware

Analysis date:
4/28/2024 6:20:30 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Oncer
160917-0

Clam AntiVirus
Win.Worm.Brontok-88
0.98/23209

Dr.Web
Win32.Runonce.6652
9.0.1.05190

F-Prot
W32/Thecid.B@mm
4.6.5.141

F-Secure
Win32.Runouce.B@mm
5.16.24

Kaspersky
Email-Worm.Win32.Runouce
15.0.2.529

File size:
382.5 KB (391,668 bytes)

Product version:
1.0.0.8

Copyright:
UCWeb Inc. All rights reserved.

Original file name:
update_task.exe

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

Common path:
C:\Program Files\ucbrowser\application\update_task.exe

File PE Metadata
Compilation timestamp:
1/26/2016 4:13:20 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x655F8

Entry point:
60, E8, E6, 19, 00, 00, 8B, 74, 24, 20, E8, 08, 00, 00, 00, 61, 68, FE, F7, 42, 00, C3, E9, 59, E8, 01, 16, 00, 00, 81, E6, 00, F0, FF, FF, 81, EE, 00, 10, 00, 00, 66, 81, 3E, 4D, 5A, 75, F3, 0F, B7, 7E, 3C, 03, FE, 8B, 6F, 78, 03, EE, 8B, 5D, 20, 03, DE, 33, C0, 8B, D6, 83, C3, 04, 40, 8B, 3B, 03, FA, E8, 0F, 00, 00, 00, 47, 65, 74, 50, 72, 6F, 63, 41, 64, 64, 72, 65, 73, 73, 00, 5E, 33, C9, B1, 0F, FC, F3, A6, 75, DA, 8B, F2, 8B, 5D, 24, 03, DE, 0F, B7, 0C, 43, 8B, 5D, 1C, 03, DE, 8B, 1C, 8B, 03, DE, 81...
 
[+]

Entropy:
6.6441

Packer / compiler:
ASPack v1.08.04

Code size:
297 KB (304,128 bytes)

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