tsvr.exe

Trend Service

Wenchao Zhang

The application tsvr.exe by Wenchao Zhang 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 separate (within the context of its own process) windows Service named “IhPul”. While running, it connects to the Internet address server-54-230-216-52.mrs50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Trend Corp.  (signed by Wenchao Zhang)

Product:
Trend Service

Description:
Service

Version:
3.0.0.54

MD5:
616bba2225f90d39de08cc631116a2bd

SHA-1:
c98fdcdbd58c01b00d58c91ab0334449275c5bdb

SHA-256:
a1cedb85a0f51c2a43356e9d6ff298b32cf83941207b6710ce2c792a6654d379

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/7/2024 8:54:57 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
16.8.8.10

File size:
205.2 KB (210,128 bytes)

Product version:
3.0.0.54

Original file name:
TSvr

File type:
Executable application (Win32 EXE)

Language:
Chinese (PRC)

Common path:
C:\Documents and Settings\{user}\Application data\tsv\tsvr.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
8/1/2016 7:00:00 AM

Valid to:
6/9/2017 6:59:59 AM

Subject:
CN=Wenchao Zhang, 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:
46DD4E098507D172BD740670D843017A

File PE Metadata
Compilation timestamp:
8/8/2016 1:23:52 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:KAY5buENrtNokCwH14Onfzr5AeIcwLJ6UM3je1CvzMjNrD:K5bVNhCzOrr5AmO5se1WzY

Entry address:
0x1BA78

Entry point:
E8, 87, 02, 00, 00, E9, 03, FE, FF, FF, FF, 25, F8, F2, 41, 00, FF, 25, FC, F2, 41, 00, FF, 25, 00, F3, 41, 00, FF, 25, 04, F3, 41, 00, FF, 25, 08, F3, 41, 00, FF, 25, 0C, F3, 41, 00, FF, 25, 10, F3, 41, 00, FF, 25, 14, F3, 41, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 68, 19, BB, 41, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, 00, 50, 42, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF...
 
[+]

Code size:
117 KB (119,808 bytes)

Service
Display name:
IhPul

Type:
Win32OwnProcess


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

TCP (HTTP):
Connects to server-54-230-216-83.mrs50.r.cloudfront.net  (54.230.216.83:80)

TCP (HTTP):
Connects to server-54-230-216-52.mrs50.r.cloudfront.net  (54.230.216.52:80)

TCP (HTTP):
Connects to server-54-230-216-219.mrs50.r.cloudfront.net  (54.230.216.219:80)

TCP (HTTP):
Connects to server-54-230-216-117.mrs50.r.cloudfront.net  (54.230.216.117:80)

TCP (HTTP):
Connects to server-54-192-203-88.fra50.r.cloudfront.net  (54.192.203.88:80)

TCP (HTTP):
Connects to server-52-85-77-28.lax3.r.cloudfront.net  (52.85.77.28:80)

TCP (HTTP):
Connects to server-52-85-77-134.lax3.r.cloudfront.net  (52.85.77.134:80)

TCP (HTTP):
Connects to server-54-230-216-6.mrs50.r.cloudfront.net  (54.230.216.6:80)

TCP (HTTP):
Connects to server-52-85-77-23.lax3.r.cloudfront.net  (52.85.77.23:80)

TCP (HTTP):
Connects to server-52-85-77-189.lax3.r.cloudfront.net  (52.85.77.189:80)

TCP (HTTP):
Connects to server-54-230-216-223.mrs50.r.cloudfront.net  (54.230.216.223:80)

TCP (HTTP):
Connects to server-54-192-203-201.fra50.r.cloudfront.net  (54.192.203.201:80)

TCP (HTTP):
Connects to server-52-85-83-94.lax1.r.cloudfront.net  (52.85.83.94:80)

TCP (HTTP):
Connects to server-54-230-216-56.mrs50.r.cloudfront.net  (54.230.216.56:80)

TCP (HTTP):
Connects to server-54-192-203-57.fra50.r.cloudfront.net  (54.192.203.57:80)

TCP (HTTP):
Connects to server-54-192-203-235.fra50.r.cloudfront.net  (54.192.203.235:80)

TCP (HTTP):
Connects to server-52-85-83-240.lax1.r.cloudfront.net  (52.85.83.240:80)

TCP (HTTP):
Connects to server-52-85-83-165.lax1.r.cloudfront.net  (52.85.83.165:80)

TCP (HTTP):
Connects to server-54-239-132-9.sfo9.r.cloudfront.net  (54.239.132.9:80)

TCP (HTTP):
Connects to server-54-239-132-123.sfo9.r.cloudfront.net  (54.239.132.123:80)

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