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openofficesetup.exe

Software Application

Program Web

The application openofficesetup.exe, “Software Application Setup ” has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The installer is marketed through download protals and search ads as the free Apache OpenOffice but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Program Web

Product:
Software Application

Description:
Software Application Setup

MD5:
b9477e8ba7188018ea04246709a2ce64

SHA-1:
3389f629b18ad62650b3c150f9b52abc8b8a3756

SHA-256:
070a2805879baea8e3d4b864a1ed97c8a864dcefde6e9113afc244a699f23f8e

Scanner detections:
6 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/30/2024 10:07:26 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Malware-gen
2014.9-150424

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15520

ESET NOD32
Win32/InstallCore.YW potentially unwanted application
9.7.0.302.0

herdProtect (fuzzy)
variant of icreinstall_teamviewersetup.exe
2015.7.25.14

Reason Heuristics
PUP.Bundler.InstallCore
15.5.20.1

Trend Micro House Call
Suspicious_GEN.F47V0424
7.2.140

File size:
775.7 KB (794,356 bytes)

Product version:
2.5.6

Copyright:
Web

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\openofficesetup.exe

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:x+rc7VIcuhsj86L5ZofQ4VHlPEQnu50sBsriK:xyYGvhsngHVHSQCeriK

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:
7.8869

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

Code size:
37 KB (37,888 bytes)

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

http://snow-down.org/?dl=1&pi=Ajg4NzcROTMzAi==&osos=VdluDrW3cw==&gclid=Cj0KEQjwmLipBRC59O_EqJ_E0asBEiQATYdNh5cs7SaaQerG2PqPygCNFvITE_qBN8ltANpcRlaP_WAaAi2y8P8HAQ&dr=cHaWck1JcrVu dDmIKNlvExthXN3DKV0OSDzcj1zcmAmIT1zvm2yIKiWvmREhKVuvmNjhL2kvmNBDz1l QDjhTnmDZ0wvmNpDZ1fOT70OTAwAZgyvm5EIKiWXzCdAZMyOTc1NzMy&pd=2r5GDS1E dWCUmNJ i==&campaignId=9jn0AjCwOTLdAZMq

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