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win_update.exe

The application win_update.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The file has been seen being downloaded from billingprocessing.com.
MD5:
f0977316467747fa4a7dc4f424a04e98

SHA-1:
67123ce25de38b9982dd263d31e46b7042eb1aeb

SHA-256:
4ddf0ff405b9ac135a46bef370b0f6dbe56717dd4cb7913c013d5e0ea0c129a5

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
1/15/2025 4:41:10 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.Generic
4.0.3.14829

Kaspersky
HEUR:Trojan-Downloader.Win32.Generic
14.0.0.3332

Reason Heuristics
PUP.WinUpdate.Downloader
16.2.28.20

Trend Micro House Call
Suspicious_GEN.F47V0828
7.2.241

File size:
285.5 KB (292,352 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\win_update\win_update.exe

File PE Metadata
Compilation timestamp:
8/19/2014 5:21:19 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:/gky6F2rIWDJpd37mfO6zXHMxtHxccYTTDIUrdl0Dq:/gky62DJpt7mNaHycK8UYW

Entry address:
0x214FD

Entry point:
E8, 5E, 62, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F8, 32, 44, 00, E8, ED, 41, 00, 00, E8, 2F, 64, 00, 00, 0F, B7, F0, 6A, 02, E8, F1, 61, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 64, 5C, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.6585

Code size:
220 KB (225,280 bytes)

The file win_update.exe has been seen being distributed by the following URL.

http://billingprocessing.com/.../win_update.exe

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