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installer_terraria_english.exe

100Blogs SL

This is the Vittalia Filewon Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application installer_terraria_english.exe by 100Blogs SL has been detected as adware by 24 anti-malware scanners. The program is a setup application that uses the Vittalia DM installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from domsem.com.edgesuite.net and multiple other hosts.
Publisher:
100Blogs SL  (signed and verified)

MD5:
43306b9cacfb49502307df83d0b45d76

SHA-1:
bd7d8123389f1675777b4609f46819ce8740167a

SHA-256:
3cc3c6c45eda1d72166cdf4866245e653339d618c20c1b2d6ca36c5d4e7ce8e5

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
2/25/2025 6:40:14 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCore.144181
7.11.144.168

avast!
Win32:Malware-gen
2014.9-150315

AVG
Generic_c
2016.0.3170

Clam AntiVirus
Win.Adware.Installcore-667
0.98/20157

Comodo Security
Application.Win32.InstallCore.HYE
18162

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.MW
9.9704

Fortinet FortiGate
Riskware/InstallCore
3/15/2015

F-Prot
W32/A-fd00c9ef
v6.4.7.1.166

G Data
Win32.Trojan.Agent.OUXLMY
15.3.24

herdProtect (fuzzy)
variant of installer_microsoft_office_2013_english.exe (Adware)
2015.6.21.3

IKARUS anti.virus
AdWare.InstallCore
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.184.13727

Malwarebytes
PUP.Optional.InstallCore
v2015.03.15.02

McAfee
Artemis!B81EA9CCBC0E
5600.6826

NANO AntiVirus
Riskware.Win32.InstallCore.dcnbka
0.28.2.61148

Qihoo 360 Security
Win32/Virus.Adware.f76
1.0.0.1015

Reason Heuristics
PUP.Bundler.Vittalia
15.3.15.3

Sophos
PUA 'Install Core Click run software'
5.12

SUPERAntiSpyware
PUP.InstallCore/Variant
9997

Trend Micro House Call
TROJ_GEN.F47V0412
7.2.74

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore.b
28484

File size:
664.6 KB (680,560 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
100Blogs SL

Authority:
GoDaddy.com, Inc.

Valid from:
10/14/2013 1:18:59 AM

Valid to:
10/14/2016 1:18:59 AM

Subject:
CN=100Blogs SL, O=100Blogs SL, L=CERDANYOLA DEL VALLES, S=BARCELONA, C=ES

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
2B93142DC69C91

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:C6gpT/xLoVzERg5tauY0+PRFILuXY8kziQjnjA:C6gBJLoVMg5ta97j4KCjA

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:
7.8636

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

Code size:
37 KB (37,888 bytes)

The file installer_terraria_english.exe has been seen being distributed by the following 2 URLs.

http://domsem.com.edgesuite.net/installers/out/004180041900420/piid-01234567899874563210012345678912/ax/allfilewincom/english/ca-adc/chrome/terraria/d/782198027fc5094c479d3ef9a43b22b5/ici//installer_terraria_English.exe

http://engall.filewin.com/.../download?p=CA-ADC&tmuid=d3906e1c5d5211a73c676dd59f8b3469

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