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pdftowordfree.exe

Generic

BJ Tsinginc Technology Co., Ltd.

The application pdftowordfree.exe, “Generic Setup ” by BJ Tsinginc Technology Co. has been detected as a potentially unwanted program by 14 anti-malware scanners. The program is a setup application that uses the Inno Setup 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 www.sendapphost.com and multiple other hosts.
Publisher:
Internet   (signed by BJ Tsinginc Technology Co., Ltd.)

Product:
Generic

Description:
Generic Setup

MD5:
9c03b9f8b3511bd9beedfe8c0044b8f0

SHA-1:
b62078de904c7fdfeb0124d18eb0a3d221b6ff1b

SHA-256:
85cb86e3a40b1d26b8bea6ed3a86889835b011adb4f182d0b2ba9ea1b4c9db94

Scanner detections:
14 / 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.

Analysis date:
11/16/2024 12:57:11 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.diur
8.3.2.4

AVG
Adware InstallCore
2017.0.2868

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.16111

Bkav FE
W32.HfsAdware
1.3.0.7383

Comodo Security
Application.Win32.InstallCore.AAO
23765

ESET NOD32
Win32/InstallCore.ACZ potentially unwanted application
10.7.0.302.0

F-Prot
W32/InstallCore.BB.gen
v6.4.7.1.166

K7 AntiVirus
Adware
13.212.18100

Malwarebytes
PUP.Optional.InstallCore
v2016.01.11.02

Qihoo 360 Security
HEUR/QVM06.1.Malware.Gen
1.0.0.1077

Reason Heuristics
PUP.installCore.BJTsingincTechnologyCo.Installer (M)
16.1.11.2

SUPERAntiSpyware
PUP.InstallCore/Variant
9393

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

Zillya! Antivirus
Adware.BrowseFox.Win32.117156
2.0.0.2561

File size:
809.1 KB (828,504 bytes)

Product version:
4.3.5

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

Digital Signature
Signed by:
BJ Tsinginc Technology Co., Ltd.

Authority:
VeriSign, Inc.

Valid from:
6/2/2015 7:00:00 AM

Valid to:
6/2/2016 6:59:59 AM

Subject:
CN="BJ Tsinginc Technology Co., Ltd.", OU=IT, O="BJ Tsinginc Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
73AFFD82FC5E1DAEDB2DB84E01104CE3

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:NJQgdW9EH6Xfof6QS49VDOHNlCOvBj7xgp8NT48:NWkH6XfoSQN9VDOHNNBjBt

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9218

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.sendapphost.com/c?x=gakOa0A743QB7P84zVfDVeS2pvx qQ89X8Xz7fnFRFQ=&c=9e1fBGoKGpA2AZjQHtdfbieFAANO3li3GFRXptpzIMbsyi7Z46Xg9Hl2bazOfUL/sm8P79QuAMI JYX/h300wIJU86VRRsGIt DRYrtfameiOdQFSyff3EBlt1rVLUyhjzpK2MpvDApjdPQwAo l8w==&downloadAs=PDFtoWordFree.exe&fallback_url=http://www.downloadonic.com/free-pdf-to-word.net/.../PDFtoWordFree_IS.exe

http://www.sendapphost.com/c?x=NDHZNESJnwiKd9OxvULrn7daWgH7RBUj9v4i7ewY6j0=&c=NQFW4xd6jnzFlhcagfIAtoDaxXVaMGRZVemNYtuNscopOptsSWQfsrWm2Y6wQw2OI/PvHwJZMuJb6S5NnKkxGQMyjZPKDNyCLS48qpLH9J8Ze1quw0x6PQsrewohNC3xWYVOs/SzJ/nyH d5Bkypyg==&downloadAs=PDFtoWordFree.exe&fallback_url=http://.../

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