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office.exe

The application office.exe has been detected as a potentially unwanted program by 26 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. The file has been seen being downloaded from www.ifreedownloadss.com.
MD5:
fd02e387a9c2f2aeea1507a296df58c5

SHA-1:
d01d1f4f0ff8fc22c05c0880385b90f45fedf090

SHA-256:
06aab2efdefa869a33c8f001c460e3313ea9d0e4bed6c71256773544ef02e9cb

Scanner detections:
26 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
4/25/2024 9:36:21 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Outbrowse.A
952

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.157.114

avast!
PUP-gen [PUP]
140617-1

AVG
OutBrowse
2015.0.3430

Baidu Antivirus
HackTool.Win32.OutBrowse
4.0.3.14627

Bitdefender
Application.Bundler.Outbrowse.A
1.0.20.890

Comodo Security
Application.Win32.OutBrowse.~A
18690

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.D potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/NSIS_OutBrowse
6/27/2014

F-Secure
Application.Bundler.Outbrowse
11.2014-27-06_6

G Data
Application.Bundler.Outbrowse
14.6.24

IKARUS anti.virus
PUP.OutBrowse
t3scan.1.6.1.0

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.463

Malwarebytes
PUP.Optional.OutBrowse
v2014.06.27.04

MicroWorld eScan
Application.Bundler.Outbrowse.A
15.0.0.534

NANO AntiVirus
Trojan.Win32.OutBrowse.csrlza
0.28.0.60475

Panda Antivirus
Trj/NsisDownloader.A
14.06.27.04

Qihoo 360 Security
Win32/Virus.Downloader.ad6
1.0.0.1015

Quick Heal
TrojanDownloader.NSIS.OutBrowse.B
6.14.14.00

Sophos
OutBrowse
4.98

Trend Micro House Call
TROJ_GEN.R0CBC0OBK14
7.2.178

Trend Micro
TROJ_GEN.R0CBC0OBK14
10.465.27

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4784459
29708

File size:
616 KB (630,744 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:fnFyhCfsMntd1zdwVWyK1EzotWlj+kzVX0xp+lHTNo5uLMxHeXAkepYsq48:fFyhCfsMtpwof1EzotWln3M6VXopa48

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9789

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.ifreedownloadss.com/.../download.php?id=532b59cfdb5bd&i=adus2

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