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prerpophcchgagertherphiving.exe

Ding Ruan

The application prerpophcchgagertherphiving.exe by Ding Ruan has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a scheduled task under the Windows Task Scheduler triggered daily at a specified time. While running, it connects to the Internet address server-54-230-216-51.mrs50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Ding Ruan  (signed and verified)

MD5:
d271a27029301b9c82d5842719d2e189

SHA-1:
71e0cb4a567e28e45bee61ed851b13c1158c7150

SHA-256:
adaca26aba2b90976d79efb27706e18def44c5c3032d4121de1a87ef8687b068

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 5:11:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.7.23.9

File size:
344.2 KB (352,480 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\reaferingthewerle\prerpophcchgagertherphiving.exe

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
7/18/2016 5:00:00 AM

Valid to:
4/14/2017 4:59:59 AM

Subject:
CN=Ding Ruan, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
63FF3C3A1EB641C60DB1171E8E10CFBF

File PE Metadata
Compilation timestamp:
7/15/2016 1:43:53 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:5sMXRcnsj6GzV3Cuv7rFZe27IG1DSyqlLfzcAH7DYlpMtyDt5b3FKY+z17Ey/TVM:5p2qs69Zp7I6u7vc3M4ZG72+WVM

Entry address:
0x220E6

Entry point:
E8, 69, 40, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, FF, 15, 58, 10, 44, 00, 6A, 01, A3, 94, 21, 45, 00, E8, B6, 45, 00, 00, FF, 75, 08, E8, 4B, 45, 00, 00, 83, 3D, 94, 21, 45, 00, 00, 59, 59, 75, 08, 6A, 01, E8, 9C, 45, 00, 00, 59, 68, 09, 04, 00, C0, E8, 19, 45, 00, 00, 59, 5D, C3, 55, 8B, EC, 81, EC, 24, 03, 00, 00, 6A, 17, E8, C7, 31, 01, 00, 85, C0, 74, 05, 6A, 02, 59, CD, 29, A3, 78, 1F, 45, 00, 89, 0D, 74, 1F, 45, 00, 89, 15, 70, 1F, 45, 00, 89, 1D, 6C, 1F, 45, 00, 89, 35, 68, 1F, 45, 00, 89, 3D, 64...
 
[+]

Entropy:
6.5114

Code size:
256 KB (262,144 bytes)

Scheduled Task
Task name:
Prerpoph Cache

Trigger:
Daily (Runs daily at 12:03 AM)

Description:
Optimizes performance of Prerpoph by caching commonly used font data.


The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to server-54-230-216-51.mrs50.r.cloudfront.net  (54.230.216.51:80)

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