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prepreinstaller_win.exe

The application prepreinstaller_win.exe has been detected as a potentially unwanted program by 3 anti-malware scanners. The file has been seen being downloaded from d1hnrgp9e8h8tb.cloudfront.net and multiple other hosts.
MD5:
5cab39f64fa6940ed5f158be0af6379f

SHA-1:
9d05de35bc888ad208ca5d53463fc580bcc03e4a

SHA-256:
1c690856c1716944bbf0d7afa5e38c13116843dfec23112f5c03bdf23c12e0a7

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
11/24/2024 8:25:01 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.DownLoader21.48868
9.0.1.05190

McAfee
Trojan.Artemis!5CAB39F64FA6
18.0.204.0

Reason Heuristics
Adware.Downloader
16.6.26.10

File size:
274.5 KB (281,088 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\prepreinstaller_win.exe

File PE Metadata
Compilation timestamp:
5/24/2016 12:47:02 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:2MbN+73bLcl/8KIsR9tyIflZ7oSk8fxOlLol:2Mb8H7WICl5OVol

Entry address:
0xCB98

Entry point:
E8, 3F, 40, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, E8, A1, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 7C, A0, 42, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63...
 
[+]

Entropy:
6.1375

Code size:
164 KB (167,936 bytes)

The file prepreinstaller_win.exe has been seen being distributed by the following 4 URLs.

http://d1hnrgp9e8h8tb.cloudfront.net/prepreinstaller_win.exe

http://d1yhfmaeqoavae.cloudfront.net/prepreinstaller_win.exe

http://d27ofrk4ubiq4a.cloudfront.net/prepreinstaller_win.exe

http://dw59o80yvpenp.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.