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unitydownloadassistant.exe

Unity Technologies SF

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from softonet.pl and multiple other hosts.
Publisher:
Unity Technologies SF  (signed and verified)

MD5:
3904a45362dcc6ea3bd33537b6bebe0c

SHA-1:
cacb770b8d815cf4bb571555051aaaac28ce541e

SHA-256:
a66979d1981462c9b02af37ce57f6f19eecf9a87b3b2077cdb30c879dcb4261e

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
12/21/2025 12:30:49 PM UTC  (today)

File size:
637.9 KB (653,232 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:
Unity Technologies SF

Authority:
VeriSign, Inc.

Valid from:
6/10/2014 7:00:00 PM

Valid to:
6/11/2015 6:59:59 PM

Subject:
CN=Unity Technologies SF, O=Unity Technologies SF, L=San Francisco, S=California, C=US

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:
3D490BA4191CCE0495D67CAA20645FA3

File PE Metadata
Compilation timestamp:
10/13/2010 6:15:26 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:5QgsyVMeK33nG5OfBRtCi7sRftMgBUSfIU5xCm2/E:KgsX4FCmYE

Entry address:
0x33EF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 70, 85, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, D8, A5, 42, 00, E8, 9C, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, E0, A4, 42, 00, 8D, 44, 24, 38, 50, 55, 68, 6C, 85, 40, 00, FF, 15, 80, 81, 40, 00, 68, 54, 85, 40, 00, 68, E0, 94, 42, 00, E8, 6A, 26, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, 00, 50, 43, 00, 57, E8, 58, 26, 00, 00...
 
[+]

Entropy:
4.3124

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file unitydownloadassistant.exe has been seen being distributed by the following 17 URLs.

http://softonet.pl/wyslij52734-1.html

http://www.filehorse.com/download/file/.../

http://www.capitalvaultsbits.com/2ZcWi38K3WVVBWSBjkTZiC5g6xo2MjwbbypU6awlrpzVgskyqIMHz6p8oM9nR Pdapac2PQYMNjRy_PBhhGFOUg5Aa2vooCQIm2HQQOjezMQ1_6h4yPExqa305r8pdNEYVQDe8seaymbHUVZZZtU8r31CeI7uNaSFXvGwF7sYAsVaiF P5JK5ZkLx71dWt4c43FEESSgoN4WiOP2LuY8f42DJEbT9g==-GykAAMQNDu1gxOTkg4dhIgfsbSVwMH9jnAfyxsgP9jM4EHGt_RrnMg==

http://soft.mydiv.net/win/dlfilee8cae_267998/.../UnityDownloadAssistant.exe

http://beta.unity3d.com/download/.../UnityDownloadAssistant-5.0.0f4.exe

http://files.downloadnow.com/s/software/14/12/63/.../UnityDownloadAssistant.exe

https://unity3d.com/es/unity/.../register

http://soft.mydiv.net/win/dlfilec5b5e_267997/.../UnityDownloadAssistant.exe

http://download.unity3d.com/download_unity/.../UnityDownloadAssistant-5.0.0f4.exe

http://software-files-a.cnet.com/s/software/14/12/63/.../UnityDownloadAssistant.exe

http://unity3d.com/es/unity/.../register

https://unity3d.com/pt/unity/.../register

http://download.unity3d.com/download_unity/.../UnityDownloadAssistant.exe

https://unity3d.com/ru/unity/.../register

https://unity3d.com/unity/.../register

http://unity3d.com/unity/.../register

http://netstorage.unity3d.com/unity/.../UnityDownloadAssistant.exe

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