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upgrade.exe

Wyyo.com

The executable upgrade.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer.
Publisher:
Wyyo.com  (signed and verified)

MD5:
d1ba6551b995123fbade972f5aaa7332

SHA-1:
adf0ab574c328fc40a0a6d123d4089e68bbbcdcc

SHA-256:
ba7c60dc49b433368f9810f9b1f4d3016c050d2bd86a13577f3fb5a422263381

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
5/7/2024 7:25:53 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
(M)
16.4.22.16

File size:
355 KB (363,568 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\windows\temp\{random}.tmp\upgrade.exe

Digital Signature
Signed by:
Wyyo.com

Authority:
Thawte Consulting (Pty) Ltd.

Valid from:
11/18/2008 6:00:00 PM

Valid to:
11/19/2010 5:59:59 PM

Subject:
CN=Wyyo.com, OU=Secure Application Development, O=Wyyo.com, L=El Segundo, S=California, C=US

Issuer:
CN=Thawte Code Signing CA, O=Thawte Consulting (Pty) Ltd., C=ZA

Serial number:
0F8EA904FBA88E2BC618278E8E64F293

File PE Metadata
Compilation timestamp:
2/17/2007 6:48:44 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:LeshmMDYomQFmicfcXB9hj1qjh+vPXeVQ0+AsOOj6JdxG:rE1QF3eCLhpqj6Xeu0gObbG

Entry address:
0x32CE

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 14, 70, 91, 40, 00, 33, F6, C6, 44, 24, 10, 20, FF, 15, 30, 70, 40, 00, 53, FF, 15, 74, 72, 40, 00, A3, 10, 48, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 20, FD, 41, 00, FF, 15, 5C, 71, 40, 00, 68, 94, 92, 40, 00, 68, 60, 3F, 42, 00, E8, 49, 28, 00, 00, FF, 15, B8, 70, 40, 00, BF, 00, A0, 42, 00, 50, 57, E8, 37, 28, 00, 00, 53, FF, 15, 0C, 71, 40, 00, 80, 3D, 00, A0, 42, 00, 22, A3, 60, 47, 42, 00, 8B, C7, 75, 0A...
 
[+]

Entropy:
7.9567

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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