open_office_setup.exe

Speedy Downloads

The application open_office_setup.exe by Speedy Downloads has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Inno Setup installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from download.downloadb.net.
Publisher:
Speedy Downloads  (signed and verified)

MD5:
566093d1bdd50b72687d95ba15e0475b

SHA-1:
9a3f66978b729fe112b3ec40a7068e68402d5ff8

SHA-256:
6fb84ae8911408b7e29087aa899a88818619cfff709124bee54307c876a0506e

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/26/2024 2:34:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.1.16

File size:
805.8 KB (825,168 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\open_office_setup.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
9/14/2014 8:00:00 PM

Valid to:
9/14/2016 7:59:59 PM

Subject:
CN=Speedy Downloads, O=Speedy Downloads, STREET="1608 S. Ashland Ave #41118", L=Chicago, S=Illinois, PostalCode=60608, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
27C8591FA74C562ADA1420202A6C2D6B

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:kNf/ISjKnO1f5N+WeTBdFPZU+T95bxBrEuzDdQOuf2+vt+r:kl8e/eTpZf/t2Mii+8r

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8910

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

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